Betrothed to My Sister's Ex

2025·TV series·1 season · 12 episodes

Animation, Comedy, Drama

8.0 / 10 (32 votes)

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!

Original language: 日本語
First aired: 5 July 2025

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Availability in the US · Subtitle and audio track data

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Last verified 2 Nov 2026

Cast

Rena Motomura
Marie (voice)
Daiki Hamano
Kyros (voice)
Minami Tanaka
Anastasia (voice)
Ryohei Kimura
Louisphon (voice)
Yoko Hikasa
Mio (voice)
Sayaka Ohara
Ryu Ryu (voice)
Tetsuya Kakihara
Toppo (voice)
Tatsuyuki Kobayashi
Thomas (voice)
Yuuka Aisaka
Tunica (voice)