Betrothed to My Sister's Ex

Betrothed to My Sister's Ex - S01

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TV

The Shaderan family has lost their wealth and influence, and the greedy, heartless baron and baroness will do anything to climb back into high society. They dote on their lovely elder daughter, Anastasia, planning to wed her into money, while their younger daughter, Marie, is treated like a maid. Years of neglect have left Marie convinced she’s unworthy of love or kindness. On Marie’s birthday-an excuse to parade Anastasia before suitors-Marie encounters Count Kyros Granado, who is instantly taken by her quiet grace and deep understanding of his heritage. Mistakenly believing Anastasia was the one who captured his heart, Kyros sends a marriage proposal. But tragedy strikes when Anastasia dies en route to wed him. With no other choice, Marie is sent in her sister’s place, becoming Kyros’ fiancée-just as he had unknowingly wished from the start. Though Marie struggles with crippling self-doubt, Kyros patiently guides her toward realizing her own value, showing her what it means to be cherished for who she truly is.

Overview:

The Shaderan family has lost their wealth and influence, and the greedy, heartless baron and baroness will do anything to climb back into high society. They dote on their lovely elder daughter, Anastasia, planning to wed her into money, while their younger daughter, Marie, is treated like a maid. Years of neglect have left Marie convinced she’s unworthy of love or kindness. On Marie’s birthday-an excuse to parade Anastasia before suitors-Marie encounters Count Kyros Granado, who is instantly taken by her quiet grace and deep understanding of his heritage. Mistakenly believing Anastasia was the one who captured his heart, Kyros sends a marriage proposal. But tragedy strikes when Anastasia dies en route to wed him. With no other choice, Marie is sent in her sister’s place, becoming Kyros’ fiancée-just as he had unknowingly wished from the start. Though Marie struggles with crippling self-doubt, Kyros patiently guides her toward realizing her own value, showing her what it means to be cherished for who she truly is.

Aired:Jul 05, 2025
Episodes:12
Networks:MBS, TBS, CBC
Country: Japan

Seasons (1)

Episodes (12)

1. I Could Never Replace My Sister2. Marie, I Want to Marry You3. A Life I Saw in a Dream, and a Dream-like Life4. I've Found the Things I Like5. The Prince and the Pitch-Black Warrior6. Am I Enough As I Am?7. You're So Close, I Think You May Make Me Dizzy8. A Gift More Lovely Than Jewels9. In Pursuit of Anastasia's Spirit10. Please Call Off the Betrothal11. The Empty Princess Lives12. It's Time to Settle This

Characters & Voice Actors

Rena Motomura
CharacterMarie (voice)
Voice ActorRena Motomura
Daiki Hamano
CharacterKyros (voice)
Voice ActorDaiki Hamano
Minami Tanaka
CharacterAnastasia (voice)
Voice ActorMinami Tanaka
Ryohei Kimura
CharacterLouisphon (voice)
Voice ActorRyohei Kimura
Yoko Hikasa
CharacterMio (voice)
Voice ActorYoko Hikasa
Sayaka Ohara
CharacterRyu Ryu (voice)
Voice ActorSayaka Ohara
Tetsuya Kakihara
CharacterToppo (voice)
Voice ActorTetsuya Kakihara
Tatsuyuki Kobayashi
CharacterThomas (voice)
Voice ActorTatsuyuki Kobayashi