Betrothed to My Sister's Ex

Details

Also known as: Zutaboro Reijou wa Ane no Moto Konyakusha ni Dekiai Sareru, ずたぼろ令嬢は姉の元婚約者に溺愛される, Loved by Her Sister's Former Fiancé, คุณหนูตัวสำรองมีท่านเคานท์มาคลั่งรัก
Type: TV
Status: Finished Airing
Score: 7.3
Episodes: 12
Genres: Drama, Fantasy, Romance
Studio: LandQ studios
Aired: 2025-07-05 to 2025-09-20
Season: Summer 2025

Where to watch (US)

Amazon Video
Apple TV Store
Crunchyroll
Crunchyroll Amazon Channel

Synopsis

Marie, the second daughter of a poor baron’s household, is treated like a servant by her parents. Even at Marie’s birthday party, her beautiful elder sister, Anastasia, is the star. Outside, Marie bumps into Count Kyuros Granado, who falls for her at first sight. Yet, due to a misunderstanding, the Count proposes to Anastasia. After a tragic accident, Marie must marry the count instead!

Episodes

Episode 1: I Could Never Replace My Sister (2025-07-05)
Episode 2: Marie, I Want to Marry You (2025-07-12)
Episode 3: A Life I Saw in a Dream, and a Dream-like Life (2025-07-19)
Episode 4: I've Found the Things I Like (2025-07-26)
Episode 5: The Prince and the Pitch-Black Warrior (2025-08-02)
Episode 6: Am I Enough As I Am? (2025-08-09)
Episode 7: You're So Close, I Think You May Make Me Dizzy (2025-08-16)
Episode 8: A Gift More Lovely Than Jewels (2025-08-23)
Episode 9: In Pursuit of Anastasia's Spirit (2025-08-30)
Episode 10: Please Call Off the Betrothal (2025-09-06)
Episode 11: The Empty Princess Lives (2025-09-13)
Episode 12: It's Time to Settle This (2025-09-20)

Characters and voice actors

Kyros Granado (main character) · Japanese voice: Daiki Hamano
Marie Shaderan (main character) · Japanese voice: Rena Motomura
Mio (supporting character) · Japanese voice: Youko Hikasa
Anastasia Shaderan (supporting character) · Japanese voice: Minami Tanaka
Cecilie (supporting character) · Japanese voice: Momoka Terasawa
Liu Liu Granado (supporting character) · Japanese voice: Sayaka Ohara
Apple Shop Owner (supporting character) · Japanese voice: Masayuki Fujibuchi
Giovanni (supporting character) · Japanese voice: Takashi Aoki
Alfred Granado (supporting character) · Japanese voice: Takaya Hashi
Laura Granado (supporting character) · Japanese voice: Naoko Nokubi
Hannah (supporting character) · Japanese voice: Yoshiko Ikuta
Ilza (supporting character) · Japanese voice: Shiori Izawa
Jacob (supporting character) · Japanese voice: Tooru Nara
Jacob's Boss (supporting character) · Japanese voice: Takurou Suzuki
Johan (supporting character) · Japanese voice: Taketora
Norman (supporting character) · Japanese voice: Hiroshi Yanaka
Receptionist (supporting character) · Japanese voice: Yuu Maeda
Referee (supporting character) · Japanese voice: Tatsuyuki Kobayashi
Ruifon (supporting character) · Japanese voice: Ryouhei Kimura
Cedric Shaderan (supporting character) · Japanese voice: Chihiro Uno

Opening and ending songs

Opening 1: Gesshoku · krage
Ending 1: Marie · Myuk