Betrothed to My Sister's Ex

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!

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Title	Betrothed to My Sister's Ex
Alternative Titles	破烂千金被姐姐的原婚约者溺爱着, 衣衫褴褛的大小姐受到姐姐前未婚夫的宠爱, Zutaboro Reijō wa Ane no Moto Konyakusha ni Dekiai Sareru, Zutaboro Reijou wa Ane no Moto Konyakusha ni Dekiai Sareru, zutaboro, Loved by Her Sister's Former Fiancé
First Air Date	2025-07-05
Last Air Date	2025-09-20
Number of Episodes	12
Number of Seasons	1
Genres	Animation, Comedy, Drama,
Networks	MBS, TBS, CBC,
Casts	Rena Motomura, Daiki Hamano, Minami Tanaka, Ryohei Kimura, Yoko Hikasa, Sayaka Ohara, Tetsuya Kakihara, Tatsuyuki Kobayashi, Yuuka Aisaka

Marie (voice)

Rena Motomura

Kyros (voice)

Daiki Hamano

Anastasia (voice)

Minami Tanaka

Louisphon (voice)

Ryohei Kimura

Mio (voice)

Yoko Hikasa

Ryu Ryu (voice)

Sayaka Ohara

Toppo (voice)

Tetsuya Kakihara

Thomas (voice)

Tatsuyuki Kobayashi

Tunica (voice)

Yuuka Aisaka