Wikipedia

Perfect Crown

Perfect Crown (Korean: 21세기 대군부인) is a South Korean romantic comedy television series written by Yoo Ji-won, and directed by Park Joon-hwa [ko] and Bae Hee-young [ko], and starring IU, Byeon Woo-seok, Noh Sang-hyun, and Gong Seung-yeon. The series follows the marriage contract between an illegitimate chaebol heir and a Grand Prince in a fictional 21st-century constitutional monarchy. As the couple navigates political opposition from the Queen Dowager and the Prime Minister, their transactional alliance evolves into a romance focused on challenging institutional hierarchies.

Perfect Crown
Promotional poster
Also known asWife of a 21st Century Grand Prince[1]
Hangul
21세기 대군부인
Hanja
21世紀 大君夫人
Lit.The 21st Century Grand Prince's Wife
RR21segi daegunbuin
MR21segi taegunbuin
GenreRomantic comedy
Written byYoo Ji-won
Directed by
Starring
Music by
Opening theme
"My Pace"
by Bibi
Country of originSouth Korea
Original languageKorean
No. of episodes12
Production
Executive producers
  • Jang Se-jung
  • Kim Jae-bok
  • Kim Min-ji
Producers
  • Lee Dae-yong
  • Park Ji-hye
Cinematography
  • Bae Hyun-jin
  • Kim Yong-min
  • Kim Hwa-young
  • Son Hwa-young
EditorYoon Soo-min
Running time72–73 minutes
Production companies
Budget₩30 billion
Original release
NetworkMBC TV
ReleaseApril 10 (2026-04-10) –
May 16, 2026 (2026-05-16)

Produced by MBC and Kakao Entertainment, principal photography took place throughout South Korea from May 2025. The series aired on MBC TV from April 10, to May 16, 2026, every Friday and Saturday at 21:40 (KST), and was made available for streaming on Disney+. According to Nielsen Korea, Perfect Crown premiered to strong domestic ratings—becoming the third-highest premiere for an MBC Friday–Saturday drama—and concluded with a peak nationwide rating of 13.8%, making it the third-highest-rated series in its time slot's history. Globally, the drama achieved significant commercial success on Disney+, becoming the platform's most-watched South Korean series with over 43 million hours of cumulative viewing time.

The series received mixed reviews from critics, who praised its visual presentation and production design but criticized its predictable script, character development, and the lead performances by IU and Byeon. In contrast, the supporting cast, particularly Gong and Chae Seo-an [ko], received more consistently positive recognition.

Synopsis

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Set in a 21st-century constitutional monarchy, Seong Hui-ju is a wealthy chaebol heir who seeks to overcome the social stigma of her commoner, out-of-wedlock status by proposing a marriage contract to Grand Prince I-an. While I-an faces political pressure from Queen dowager Yoon Yi-rang to marry and stifle rumors of his ambition for the throne, his union with Hui-ju meets intense backlash from the royal family, Prime Minister Min Jeong-woo, and a skeptical public. As the couple navigates rigid palace protocols and physical threats directed at Hui-ju, their transactional alliance gradually transforms into a genuine romance, centered on their shared struggle to dismantle social hierarchies and protect one another from institutional constraints.[2]

Cast and characters

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The cast of Perfect Crown in costume (L to R): Gong Seung-yeon, Byeon Woo-seok, IU, and Noh Sang-hyun

Main

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  • IU as Seong Hui-ju
    • Park So-eun as young Hui-ju[3]
The CEO of Castle Beauty and daughter of the Castle Group founder, she has managed her company without any failed ventures. Despite her professional record and family wealth, her status as an illegitimate child of commoner descent leads to social exclusion within the marriage market. She prioritizes merit over social status and frequently competes against elite peers. In an effort to secure an advantageous marriage, she targets Grand Prince I-an who she encounters at a royal banquet.[4]
The younger brother of the late King I-hwan and regent for his eight-year-old nephew I-yun; I-an was a competitive young man whose public persona became more reserved after his father, King Hui-jong, frequently altered his royal titles to limit his political influence. Following his brother's death, his rise to power led to public comparisons with the historical Grand Prince Suyang. His monotonous life is disrupted by his encounter with Hui-ju at a royal banquet.[4]
The eldest son of Min family, prominent for producing multiple Prime Ministers, he is perceived as a desirable marriage candidate due to his position as the Prime Minister of Korea. He balances his political duties with his lifestyle of collecting high-value automobiles and footwear with personal interests such as cooking at traditional markets. His political career is characterized by shifting allegiances between establishment and reformist factions, resulting in public labels such as "migratory bird". While he shares a long-standing friendship with I-an, the relationship faces strain due to I-an's relationship with Hui-ju.[4]
The Queen dowager of the late King I-hwan; the Queen mother of the current King I-yun, and a member of the Yoon family, which has produced four queens, she was educated to maintain the conduct expected of a royal consort.[4]

Supporting

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Grand Prince I-an's private residence
  • Yoo Su-bin as Choi Hyeon, a loyal aide to Grand Prince I-an[4]
  • Choi Ji-su [ko] as Lee A-reum, a spy stationed at Grand Prince I-an's private residence[4]
  • Lee Si-hun [ko] as Kim Yeong-mun, the steward of Grand Prince I-an's private residence.[4]
  • Jung Ji-an [ko] as Kim Yeong-seon, the primary manager of Grand Prince I-an's private residence[4]
  • Jin Se-rim as Yoo Ji-soo, a servant in Grand Prince I-an's private residence[4]
Secretariat of Castle Beauty
  • Lee Yeon as Do Hye-jeong, Hui-ju's chief secretary[4]
  • Park Ji-ye as Park Seung-hee, a staff at Castle Beauty[4]
  • Jeong I-an [ko] as Im Joo-ho, a staff at Castle Beauty[4]
  • Yoon Sul-ah as Jung Ye-rin, a staff at Castle Beauty[4]
People of Castle Group
  • Cho Seung-yun [ko] as Seong Yeong-guk, the Chairman of Castle Group and Hui-ju's father[4]
  • Lee Jae-won [ko] as Seong Tae-ju, the eldest son of Castle Group and Hui-ju's older brother[4]
    • Kim Geon-u as young Seong Tae-ju[6]
  • Chae Seo-an [ko] as Han Da-yeong, Tae-ju's wife[4]
People of the Royal Palace
Others
  • Jo Jae-yoon as Yoon Sung-won, the head of the royal court and the head of the Yoon family, who is the father of Queen Mother.[4]
  • Kim Jung-woon [ko] as Jo Min-young, Chief of Staff to the Prime Minister's office[4]

Special appearances

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Production

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Development

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In December 2024, MBC and Kakao Entertainment announced the production of Perfect Crown, a contemporary romance series set within an alternative-reality South Korean constitutional monarchy.[13] Developed from a script written by Yoo Ah-in which won at the 2022 MBC Drama Screenplay Contest,[14] the project was planned by Kang Dae-seon,[13] directed by Park Joon-hwa [ko], who helmed Alchemy of Souls (2022–23), and Bae Hee-young [ko], while Yoo Ji-won served as screenwriter.[15][16] Costumes were designed by Cho Sang-kyung, who previously worked on Oldboy, The Handmaiden, and The Royal Tailor.[17] The total budget of the series is ₩30 billion.[18]

A 30-chapter prequel web novel written by Yoo and featuring the characters during high school will be serialized on Kakao Page starting on May 16, 2026.[19]

Casting

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In December 2024, Kakao Entertainment confirmed that IU and Byeon Woo-seok would star in the series.[20] Three months after the confirmation, TV Daily reported that IU and Byeon would be leaving due to scheduling conflicts, but it was denied by their agencies.[21] In April 2025, Noh Sang-hyun and Gong Seung-yeon were cast following IU and Byeon.[22] In June 2025, Yoo Su-bin, Lee Yeon, and Chae Seo-an also joined the cast.[23][24][25]

Filming

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Principal photography commenced in May 2025.[26] The series was filmed at Mujinjeong Pavilion in Haman, South Gyeongsang Province; Manhyujeong Pavillion in Andong, Yecheon Jinho International Archery Field in Yeosu, Dangnamli Island in Yeoju, Awon Museum and Hotel in North Jeolla Province, Oreung, Gyeongbokgung, Haenggung Palace at the Hwaseong Fortress in Suwon, and the Baekje Cultural Land, among others, as well as a large set in Socho-myeon, Wonju, which was demolished after filming concluded.[27][28]

Original soundtrack

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Perfect Crown OST Special
Soundtrack album by
Various artists
ReleasedMay 16, 2026 (2026-05-16)
GenreSoundtrack
LanguageKorean
LabelKakao Entertainment

Produced, planned and distributed by Kakao Entertainment, the original soundtrack for Perfect Crown featured an 11-artist lineup including K-pop groups Riize, BoyNextDoor, and KiiiKiii, alongside soloists Bibi, Woodz, Sam Kim, So Su-bin [ko], and Hanroro. The soundtrack also incorporates contributions from indie and alternative acts Aleph [ko], Hrtz.wav, and Im Joong-won of Solnmor. According to Kakao Entertainment, the musical production was designed to leverage their internal IP value chain by featuring artists from their various subsidiary labels to enhance the series' narrative themes. The tracks were sequentially released following the drama's premiere on April 10, 2026.[29] The full soundtrack was released in digital format on May 16, 2026 while the physical format is slated for a June 4, 2026 release.[30] It contains the 11 previously released vocal tracks, Aleph's unreleased new song "Already Free," as well as 44 score tracks, for a total of 56 tracks.[30]

Part 1

All lyrics are written by Noah; all music is composed by Beltiger.

Released on April 10, 2026
No.TitleArtistLength
1."My Pace"Bibi2:46
2."My Pace" (Inst.) 2:46
Total length:5:32
Part 2

All lyrics are written by 4bout; all music is composed by 4bout, Kime, and Hwan.

Released on April 11, 2026
No.TitleArtistLength
1."Go On"KiiiKiii2:48
2."Go On" (Inst.) 2:48
Total length:5:34
Part 3

All lyrics are written by 4bout; all music is composed by 4bout, Himo, Echez, and Hwan.

Released on April 17, 2026
No.TitleArtistLength
1."No Doubt"BoyNextDoor3:44
2."No Doubt" (Inst.) 3:44
Total length:7:28
Part 4

All lyrics are written by Park Woo-sang (Logos); all music is composed by Park Woo-sang and Seo9 (Logos).

Released on April 18, 2026
No.TitleArtistLength
1."Behind the Shine"Riize3:15
2."Behind the Shine" (Inst.) 3:15
Total length:6:30
Part 5

All lyrics are written by 4bout; all music is composed by 4bout, Himo, Kime, Hwan, and Dew.

Released on April 24, 2026
No.TitleArtistLength
1."Our Goodbye" (안녕)Hanroro3:02
2."Our Goodbye" (안녕; Inst.) 3:02
Total length:6:04
Part 6

All lyrics are written by Junha (Galactika *), Friday. (Galactika *), and Ogi (Galactika *); all music is composed by Woobin (Galactika *), Junha, and Lee Dong-wan (Galactika *).

Released on April 25, 2026
No.TitleArtistLength
1."Everglow"Woodz4:10
2."Everglow" (Inst.) 4:10
Total length:8:10
Part 7

All lyrics are written by Lee Hyung-eun, Choi Sang-eon, and Choi Seok-hwan; all music is composed by Choi Seok-hwan and Choi Sang-eon.

Released on May 1, 2026
No.TitleArtistLength
1."My Favorite Part"So Su-bin [ko]2:43
2."My Favorite Part" (Inst.) 2:43
Total length:5:26
Part 8

All lyrics are written by Heo Sung-jin; all music is composed by Heo Sung-jin.

Released on May 2, 2026
No.TitleArtistLength
1."You Keep Me Here"Hrtz.wav3:44
2."You Keep Me Here" (Inst.) 3:44
Total length:7:28
Part 9

All lyrics are written by Lee Song and Hwang Yu-bin of XYXX; all music is composed by Moon Kim (Room01) and Smob.

Released on May 8, 2026
No.TitleArtistLength
1."If You Were My World" (네가 나의 세상이라면)Sam Kim3:18
2."If You Were My World" (네가 나의 세상이라면; Inst.) 3:18
Total length:6:36
Part 10

All lyrics are written by Im Joong-won; all music is composed by Im Joong-won.

Released on May 9, 2026
No.TitleArtistLength
1."In Your Orbit" (사랑하는 법이 틀렸나요)Im Joong-won4:38
2."In Your Orbit" (사랑하는 법이 틀렸나요; Inst.) 4:38
Total length:9:16
Part 11

All lyrics are written by Midnight; all music is composed by Midnight.

Released on May 15, 2026
No.TitleArtistLength
1."Fate Line" (평행선)Byeon Woo-seok3:38
2."Fate Line" (평행선; Inst.) 3:38
Total length:8:16

Release

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Perfect Crown was originally slated to premiere on MBC TV in the second half of 2025.[31][32][33] In November 2025, Disney+ unveiled that the series would also be available to stream on their platform.[1] In January 2026, Perfect Crown was reported for an April 3 broadcast.[16] It was then postponed by a week, and started airing on April 10 in MBC's Friday–Saturday timeslot at 21:40 (KST).[34]

Reception

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Critical response

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Gong Seung-yeon received praise for her portrayal of Queen Dowager Yoon Yi-rang.

Perfect Crown received mixed reviews. While the production design and visual presentation were praised, critics highlighted issues with the script's predictability and character development. Bhavna Agarwal of India Today described the series as "all glitter, little gold", praising its visual presentation while criticizing its writing as "weightless" and reliant on established romantic tropes.[35] Pierce Conran of the South China Morning Post similarly wrote that, despite high production values and a strong premise, the series "fails to immerse" due to characters that do not "feel like real people".[36] Joel Keller of Decider noted that the narrative follows a predictable structure typical of K-dramas, adding that its extended episode length accentuates this aspect.[37] Writing for Opinion News, Kang Dae-ho characterized the series as a "pre-modern fantasy" that emphasizes visual spectacle and hierarchical wish-fulfillment over realism.[38] In contrast, Yu Ji-hye of JTBC gave a more favorable assessment, stating that the series' romantic appeal is enhanced by the leads' chemistry and direction despite its familiar premise.[39] Historian Arius Raposas from Medium provided a more balanced view of the series, praising its ability to "weave together themes in an overarching romantic comedy scheme" as a "grand experiment" that apparently worked for its viewers, while also placing a premium on an "acceptable level of historical liberties." In framing his review from the lens of history and public administration, Raposas likened the narrative to an attempt of undertaking a "revolution from the center", wherein the greatest beneficiary of the plot turns out to be the protagonist Seong Hui-ju herself. Raposas also made an attempt to trace the chronological reference of the series.[40]

Responses to the lead performances were divided. Conran described Byeon Woo-seok's character as "dull" and limited by the writing, while noting that the role does not allow for a fully developed portrayal.[36] Reports from News1 and other Korean media cited viewer criticism regarding emotional delivery and on-screen chemistry between IU and Byeon.[41][42][43] Commentary on IU's performance varied: Conran wrote that her portrayal at times appeared "caricature[d]", whereas Ahn Byung-gil of Sports Kyunghyang credited her with effectively leading the drama through tonal range.[36][44]

Supporting performances received more consistently positive attention. Gong Seung-yeon was identified by several outlets as a standout, with OSEN noting her "charisma" and Star Today highlighting her screen presence.[45][46] Critics also responded positively to Chae Seo-an [ko], citing her portrayal of an antagonistic role as contributing to the series' dramatic balance.[47]

Controversy

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After episode 11, Perfect Crown faced backlash for historical inaccuracies and symbolism directed to the royal costume and language used in the coronation scene, which resembled protocols used by tributary states of China, with critics arguing it endorsed China's Northeast Project claims.[48][49] The audio and subtitles were ultimately edited for future re-runs, on VOD and OTT platforms, and the published script of the series was corrected accordingly.[50][51]

Viewership

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According to Nielsen Korea, the premiere of Perfect Crown recorded a 7.8% nationwide rating and an 8.2% rating in the Seoul metropolitan area, ranking first among MBC Friday–Saturday dramas and the 20–54 demographic.[52] This figure marked the third-highest premiere rating for a Friday–Saturday drama, following Chief Detective 1958 (10.1%) and Knight Flower (7.9%). The first episode alone also recorded 22.25 million cumulative viewers in one day, including reruns.[53] The series demonstrated a rapid upward trend, surpassing the double-digit mark in its fourth episode with a nationwide rating of 11.1% and a metropolitan area rating of 11.3%.[54] The finale episode on May 16 recorded an average ratings of 13.8% nationwide and 14.1% in metropolitan area. It also became the third-highest rated Friday–Saturday drama in MBC history, following Knight Flower with 18.4% and The Red Sleeve with 17.4%.[55]

On Disney+, the series became the platform's most-viewed Korean drama premiere globally. It achieved the highest viewership for a Korean drama within five days of its launch and entered the platform's Global Top 10, charting in more than 40 countries.[56] On May 15, 2026, Disney+ announced that Perfect Crown had become the most-watched South Korean series of their catalogue with a global comulative viewing time of over 43 million hours; episode 8 also saw a record 43% increase in viewership over episode 1.[57]

Perfect Crown : South Korea viewers per episode (millions)
SeasonEpisode numberAverage
123456789101112
11.5481.9131.7492.2262.0142.3012.1342.3532.3092.6662.5912.6712.206
Source: Audience measurement performed nationwide by Nielsen Korea.[58]
Average TV viewership ratings
Ep. Original broadcast date Average audience share
(Nielsen Korea)[58]
Nationwide Seoul
1 April 10, 2026 7.8% (2nd) 8.2% (1st)
2 April 11, 2026 9.5% (2nd) 10.1% (2nd)
3 April 17, 2026 9.0% (1st) 9.4% (1st)
4 April 18, 2026 11.1% (2nd) 11.3% (2nd)
5 April 24, 2026 10.6% (1st) 10.9% (1st)
6 April 25, 2026 11.2% (2nd) 11.3% (1st)
7 May 1, 2026 10.8% (1st) 11.1% (1st)
8 May 2, 2026 11.2% (2nd) 11.6% (2nd)
9 May 8, 2026 11.7% (1st) 11.9% (1st)
10 May 9, 2026 13.3% (1st) 13.5% (1st)
11 May 15, 2026 13.5% (1st) 13.5% (1st)
12 May 16, 2026 13.8% (1st) 14.1% (1st)
Average 11.1% 11.4%
  • In the table above, the blue numbers represent the lowest ratings and the red numbers represent the highest ratings.

References

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  1. 1 2 Rahman, Abid (November 12, 2025). "Korean Drama 'Perfect Crown' Heading to Disney+ in 2026, 'Made In Korea' Renewed For Season 2". The Hollywood Reporter. Archived from the original on November 13, 2025. Retrieved November 13, 2025.
  2. ↑ Baek, Seung-hoon (April 6, 2026). '대군부인' 아이유·변우석 결혼 선언하니...반대 아우성 왜? [Perfect Crown IU and Byeon Woo-seok Declare Marriage...Why the Outcry of Opposition?]. iMBC (in Korean). Retrieved April 19, 2026.
  3. ↑ @soso__eun_; (April 17, 2026). MBC 21세기 대군부인 3화 - 어린 희주 [MBC Perfect Crown Episode 3 - young Hui-ju] (in Korean). Retrieved April 19, 2026 – via Instagram.
  4. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 인물소개 [Character Introduction]. iMBC (in Korean). Retrieved April 19, 2026.
  5. ↑ @2angle_family; (April 12, 2026). 변우석님의 아역, 어린완으로 함께허여 너무나 기뻤던 21세기 대곤부인. [It was such a joy to be part of Perfect Crown as young Wan, the child actor for Byeon Woo-seok.] (in Korean). Retrieved April 19, 2026 – via Instagram.
  6. ↑ @geonu_mom; (April 19, 2026). 어린태주역 [Young Tae-ju] (in Korean). Retrieved April 19, 2026 – via Instagram.
  7. ↑ Woo, Da-bin (April 13, 2026). '21세기 대군부인' 변우석 아빠, 알고보니 손준호... 특별출연의 좋은 예 [Perfect Crown Byeon Woo-seok's father turns out to be Son Jun-ho... A prime example of a great special appearance]. Hankook Ilbo (in Korean). Archived from the original on April 14, 2026. Retrieved April 17, 2026.
  8. ↑ Choi, Seung-seop (April 12, 2026). '21세기 대군부인' 윤병희, 극 중 독설가 상사 아이유와 '반전의 팬심' 인증 [Perfect Crown Yoon Byung-hee, Confirms 'Unexpected Fan Heart' with On-Screen Sharp-Tongued Boss IU]. Sports Seoul (in Korean). Retrieved April 17, 2026.
  9. 1 2 Chang, A-leum (April 11, 2026). '21세기 대군부인' 임철수, '닮은꼴' 김대곤과 깜짝 등장...데칼코마니 존재감 [Perfect Crown Im Chul-soo makes surprise appearance with 'look-alike' Kim Dae-gon...'Decalcomania' presence]. News1 (in Korean). Archived from the original on April 27, 2026. Retrieved April 17, 2026.
  10. ↑ Park, Ha-young (April 10, 2026). '대군부인' 김대호, 깜짝 등장..아이유에 "이쁘긴 이뻐" [순간포착] [Perfect Crown Kim Dae-ho makes a surprise appearance..to IU "You really are pretty" [Moment Captured]]. Osen (in Korean). Archived from the original on April 26, 2026. Retrieved April 17, 2026.
  11. ↑ Ahn, Byung-gil (April 12, 2026). '21세기 대군부인' 허남준, 짧은 등장 긴 비주얼 여운 [Perfect Crown Heo Nam-jun, short appearance but long-lasting visual lingering]. Sports Kyunghyang (in Korean). Archived from the original on April 12, 2026. Retrieved April 17, 2026.
  12. ↑ Oh, Se-jin (April 25, 2026). 김소현, 변우석 엄마 됐다...손준호와 21세기 대군부인 특별 출연 [Kim So-hyun becomes Byeon Woo-seok's mother...Special appearance with Son Jun-ho in Perfect Crown]. OSEN (in Korean). Retrieved April 26, 2026.
  13. 1 2 Ahn, Eun-jae (December 2, 2024). 아이유·변우석, 로맨스로 만난다...드라마 '21세기 대군 부인' 캐스팅 [IU and Byeon Woo-seok meet in a new romance...Cast in the drama Perfect Crown]. News1 (in Korean). Archived from the original on December 2, 2024. Retrieved March 10, 2026.
  14. ↑ Kim, So-yeon (September 1, 2022). MBC 드라마 극본 공모 시상...우수상은 '21세기 대군 부인' [[News] MBC Drama Screenplay Contest Awards...Excellence Award goes to 21st Century Grand Prince's Wife]. Maeil Business Newspaper (in Korean). Retrieved March 10, 2026.
  15. ↑ Kang, Nae-ri (February 18, 2026). [단독] 아이유·변우석 '21세기 대군 부인' 연출, '환혼' 박준화 감독이 맡는다 [[Exclusive] IU and Byeon Woo-seok's Perfect Crown to be directed by Park Joon-hwa of Alchemy of Souls]. YTN (in Korean). Archived from the original on September 11, 2025. Retrieved March 9, 2026.
  16. 1 2 Kim, Min-ji (January 28, 2026). [단독] 이재원, 아이유와 남매 된다...'21세기 대군부인' 출연 [[Exclusive] Lee Jae-won to play IU's brother...joins the cast of Perfect Crown]. News1 (in Korean). Archived from the original on January 28, 2026. Retrieved January 28, 2026.
  17. ↑ Park, Jin-hai (May 1, 2026). "[INTERVIEW] 'Perfect Crown' costume designer reimages hanbok as 'quiet luxury'". Retrieved May 7, 2026.
  18. ↑ Hwang, Ji-min (May 7, 2026). 논란에도 시청률 고공질주 아이유 변우석 ‘21세기 대군부인’의 명암 [The Light and Shadow of IU and Byun Woo-seok's '21st Century Grand Prince's Wife': Soaring Ratings Despite Controversy]. Newsen (in Korean). Retrieved May 7, 2026 – via Naver.
  19. ↑ Yoon-seo, Lee (April 14, 2026). "Byeon Woo-seok, IU's 'Perfect Crown' gets web novel prequel". The Korea Herald. Retrieved April 26, 2026.
  20. ↑ "IU, Byeon Woo-seok stars in MBC's new romance series". The Korea Times. December 2, 2024. Retrieved October 17, 2025.
  21. ↑ Lee, Min-ji (March 28, 2025). 아이유X변우석, 뜬금없는 '21세기 대군 부인' 하차설에 "사실무근" [공식] [IU and Byeon Woo-seok deny groundless rumors of their departure from Perfect Crown]. Newsen (in Korean). Retrieved October 17, 2025.
  22. ↑ Kang, Joo-hee (April 21, 2025). 아이유-변우석 '21세기 대군부인' 2026 상반기 편성...노상현-공승연 합류 [IU and Byeon Woo-seok to star in "21st Century Prince's Wife" in the first half of 2026; Noh Sang-hyun and Gong Seung-yeon to join]. Ilgan Sports (in Korean). Archived from the original on April 21, 2025. Retrieved October 17, 2025.
  23. ↑ Jang, A-reum (June 11, 2025). [단독] 이연, 아이유 수석비서 된다...'21세기 대군부인' 합류 [Lee Yeon become IU's chief secretary... Joins "21st Century Grand Prince's Wife"]. News1 (in Korean). Archived from the original on August 14, 2025. Retrieved October 17, 2025.
  24. ↑ Ahn, So-yoon (June 9, 2025). [단독] '은장고 일진' 유수빈, 변우석 오른팔 된다...'21세기 대군부인' 캐스팅 [Yoo Soo-bin becomes Byeon Woo-seok's right-hand man...Cast in Perfect Crown]. Sports Chosun (in Korean). Archived from the original on December 29, 2025. Retrieved October 17, 2025.
  25. ↑ Kim, Ye-eun (June 12, 2025). [단독] '폭싹' 학씨부인 채서안, 또 아이유 만난다...'21세기 대군부인' 합류 [[Exclusive] Chae Seo-an, who played Lady Hak in When Life Gives You Tangerines, to meet with IU again...Joins Perfect Crown]. Xports News (in Korean). Archived from the original on June 12, 2025. Retrieved October 17, 2025.
  26. ↑ Park, Ro-sa (May 17, 2025). '꽃갈피 셋'→'대군부인'까지...아이유, 소처럼 일한다 [MD피플] [From A Flower Bookmark 3 to Perfect Crown...IU works like an ox [MD People]]. My Daily (in Korean). Retrieved March 10, 2026. [The new MBC drama Perfect Crown (hereafter Grand Prince's Wife), starring IU, recently began filming.]
  27. ↑ Yoon-seo, Lee (April 25, 2026). "Your travel guide to 'Perfect Crown' filming sites". The Korea Herald. Retrieved April 26, 2026.
  28. ↑ Kim, Eun-jung (April 22, 2026). "아이유♥변우석 '담벼락 키스' 여기서 찍었다…'21세기 대군부인' 촬영지 총정리" (in Korean). Retrieved April 26, 2026.
  29. ↑ Baek, Ah-young (April 1, 2026). '대군부인' 우즈→라이즈, OST 초호화 라인업 공개 [Perfect Crown Reveals Star-Studded OST Lineup from Woodz → Riize]. iMBC (in Korean). Retrieved April 17, 2026.
  30. 1 2 Yoo, Jung-min (May 15, 2026). "변우석→한로로·라이즈…MBC '21세기 대군부인' OST 피지컬 앨범 발매" (in Korean). Retrieved May 17, 2026.
  31. ↑ Kim, Na-yul (December 2, 2024). 아이유X변우석, 입헌군주제 속 로맨스..'21세기 대군 부인' 호흡[공식] [IU and Byun Woo-seok's romance under a constitutional monarchy...] (in Korean). Herald Pop. Archived from the original on November 23, 2025. Retrieved October 17, 2025 – via Naver.
  32. ↑ Kim, Na-yul (January 8, 2025). [단독] 공식 라인업 빠진 이유..변우석X아이유 '21세기 대군부인' MBC 연말 노린다 [The reason for the omission of the official lineup... Byeon Woo-seok and IU's '21st Century Prince's Wife' to be targeted for MBC's year-end broadcast] (in Korean). Osen. Archived from the original on January 6, 2026. Retrieved October 17, 2025 – via Naver.
  33. ↑ Kim, Chae-yeon (February 24, 2025). [단독] 변우석x아이유 '21세기 대군 부인' 내년에 볼까.."2025년 편성 미정" (종합) [Will Byeon Woo-seok and IU's "21st Century Prince's Wife" be available next year? "2025 schedule not yet determined"] (in Korean). Osen. Archived from the original on November 23, 2025. Retrieved October 17, 2025 – via Naver.
  34. ↑ Lee, Ho-young (March 10, 2026). 변우석X아이유, 웨딩 화보 버금가는 커플 포스터...'21세기 대군부인' 시선 집중 [Byeon Woo-seok X IU, couple poster rivals a wedding shoot...All eyes on the Perfect Crown]. iMBC (in Korean). Archived from the original on April 11, 2026. Retrieved March 10, 2026.
  35. ↑ Agarwal, Bhavna (April 13, 2026). "Perfect Crown first impressions: All glitter, little gold". India Today. Archived from the original on April 14, 2026. Retrieved April 13, 2026.
  36. 1 2 3 Conran, Pierce (April 14, 2026). "Disney+ K-drama Perfect Crown: IU and Byeon Woo-seok lead fantasy romance that's far from perfect". South China Morning Post. Archived from the original on April 14, 2026. Retrieved April 18, 2026.
  37. ↑ Keller, Joel (April 10, 2026). "Stream It Or Skip It: 'Perfect Crown' On Hulu". Decider. Archived from the original on April 11, 2026. Retrieved April 12, 2026.
  38. ↑ Kang, Dae-ho (April 17, 2026). [강대호의 대중문화 읽기] '21세기 대군부인'이 소환한 전근대적 판타지 [The pre-modern fantasy summoned by '21st Century Grand Prince's Wife']. Opinion News (in Korean). Retrieved April 18, 2026.
  39. ↑ Yu, Ji-hye (April 11, 2026). [리뷰] 아는 맛의 '21세기 대군부인', 설레는 건 어쩔수가없다 [Review of '21st Century Grand Prince's Wife']. JTBC (in Korean). Retrieved April 12, 2026 – via Naver.
  40. ↑ Raposas, Arius. "Perfect Crown Review: When South Korea's "revolution from the center" delivered a disputed victory". Medium. Retrieved May 30, 2026.
  41. ↑ Yoon, Hyo-jeong (April 17, 2026). '21세기 대군부인' 성적은 '역대급'인데 케미는 글쎄? 극과 극 반응 [N이슈] ['21st Century Grand Prince's Wife' results are 'record-breaking' but chemistry is questionable? Extreme polar opposite reactions [N-Issue]]. News1 (in Korean). Archived from the original on April 26, 2026. Retrieved April 17, 2026 – via Naver.
  42. ↑ Choi, Ji-won (April 12, 2026). "기대가 너무 컸나"... 아이유·변우석 '21세기 대군부인' 연기력 논lar ["Were expectations too high?"... IU and Byeon Woo-seok face acting controversy in '21st Century Grand Prince's Wife']. The Chosun Ilbo (in Korean). Retrieved April 13, 2026 – via Naver.
  43. ↑ Na, Hye-yoon (April 13, 2026). '21세기 대군부인' 아이유❤변우석, 연기력 논란 ['21st Century Grand Prince's Wife' IU ❤ Byeon Woo-seok, acting controversy]. Geumgang Ilbo (in Korean). Retrieved April 16, 2026.
  44. ↑ Ahn, Byung-gil (April 12, 2026). '21세기 대군부인' 아이유, 역시 믿보배!. Sports Kyunghyang (in Korean). Archived from the original on April 15, 2026. Retrieved April 12, 2026 – via Naver.
  45. ↑ Ha, Su-jeong (April 14, 2026). 변우석 연기력 논란 때문에..'대군부인' 공승연 최대수혜자 됐다..웃픈 현실 [하수정의 업앤다운] [Due to Byeon Woo-seok's acting controversy..Perfect Crown Gong Seung-yeon becomes the biggest beneficiary..A 'bittersweet' reality [Ha Su-jeong's Up & Down]]. Osen. Archived from the original on April 28, 2026. Retrieved April 15, 2026.
  46. ↑ Han, Hyun-jung (April 15, 2026). 아이유·변우석 흔들리는 '대군부부'...공승연만 선명한 이유 [돌파구] [IU and Byeon Woo-seok 'Royal Couple' Are Shaking...Why Only Gong Seung-yeon Stands Out [Breakthrough]]. Star Today (in Korean). Retrieved April 19, 2026.
  47. ↑ Moon, Wan-sik (April 11, 2026). '폭싹' 학씨부인 채서안, '21세기 대군부인'선 아이유 새언니 [Chae Seo-an in '21st Century Grand Prince's Wife']. Star News (in Korean). Archived from the original on April 30, 2026. Retrieved April 16, 2026 – via Naver.
  48. ↑ Kim, Na-yeon (May 20, 2026). "'유퀴즈', '역사왜곡' 논란 의식? 공승연 '21세기 대군부인' 언급 '통편집' [Oh!쎈 이슈]" (in Korean). Retrieved May 31, 2026.
  49. ↑ Lee, Chang-gyu (May 19, 2026). "최태성·서경덕도 쓴소리…'대군부인', '조선구마사' 교훈은 어디로 [엑's 이슈]" (in Korean). Retrieved May 31, 2026.
  50. ↑ "MBC pulls scene, closes pop-up early as 'Perfect Crown' history row grows". koreajoongangdaily.joins.com. May 23, 2026. Retrieved May 31, 2026.
  51. ↑ Kim, So-yeon (May 22, 2026). "'대군부인' 즉위식 장면 삭제로 끝? 여전히 사과 없는 MBC [돌파구]" (in Korean). Retrieved May 31, 2026.
  52. ↑ Hicap, Jonathan (April 11, 2026). "'Let's get married': K-series Perfect Crown premieres with high ratings". Manila Bulletin. Retrieved April 18, 2026.
  53. ↑ "변우석·아이유 '21세기 대군부인' 신드롬…1화 2225만 누적 시청". n.news.naver.com (in Korean). Retrieved May 8, 2026.
  54. ↑ Kim, So-yeon (April 19, 2026). '21세기 대군부인' 4회만에 10% 넘었다...역대 시청률 7위 ['21st Century Grand Prince's Wife' surpassed 10% in just 4 episodes... 7th highest viewership of all time]. Star Today (in Korean). Retrieved April 19, 2026 – via Naver.
  55. ↑ Hicap, Jonathan (May 17, 2026). "Perfect Crown ends on a high note with record breaking finale ratings". Manila Bulletin. Retrieved May 19, 2026.
  56. ↑ Brzeski, Patrick (April 16, 2026). "'Perfect Crown' Scores Disney+'s Biggest K-Drama Debut to Date". The Hollywood Reporter. Archived from the original on April 17, 2026. Retrieved April 17, 2026.
  57. ↑ Campione, Katie (May 15, 2026). "Perfect Crown Breaks Through On Disney+ & Hulu With 43M+ Hours Viewed Since Premiere". Deadline Hollywood. Archived from the original on May 16, 2026. Retrieved May 19, 2026.
  58. 1 2 Nielsen Korea ratings:
    • "Ep. 1". Nielsen Korea (in Korean). April 10, 2026. Archived from the original on April 10, 2026. Retrieved April 11, 2026.
    • "Ep. 2". Nielsen Korea (in Korean). April 11, 2026. Retrieved April 11, 2026.
    • "Ep. 3". Nielsen Korea (in Korean). April 17, 2026. Archived from the original on April 17, 2026. Retrieved April 18, 2026.
    • "Ep. 4". Nielsen Korea (in Korean). April 18, 2026. Archived from the original on April 18, 2026. Retrieved April 19, 2026.
    • "Ep. 5". Nielsen Korea (in Korean). April 24, 2026. Archived from the original on April 24, 2026. Retrieved April 25, 2026.
    • "Ep. 6". Nielsen Korea (in Korean). April 25, 2026. Archived from the original on April 25, 2026. Retrieved April 26, 2026.
    • "Ep. 7". Nielsen Korea (in Korean). May 1, 2026. Archived from the original on May 1, 2026. Retrieved May 2, 2026.
    • "Ep. 8". Nielsen Korea (in Korean). May 2, 2026. Archived from the original on May 2, 2026. Retrieved May 3, 2026.
    • "Ep. 9". Nielsen Korea (in Korean). May 8, 2026. Archived from the original on May 8, 2026. Retrieved May 9, 2026.
    • "Ep. 10". Nielsen Korea (in Korean). May 9, 2026. Retrieved May 10, 2026.
    • "Ep. 11". Nielsen Korea (in Korean). May 15, 2026. Archived from the original on May 15, 2026. Retrieved May 16, 2026.
    • "Ep. 12". Nielsen Korea (in Korean). May 16, 2026. Archived from the original on May 16, 2026. Retrieved May 17, 2026.
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