Betrothed to My Sister's Ex poster

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Betrothed to My Sister's Ex

2025–2025·1 Season·12 Episodes

MBS

TBS

CBC

Animation

Comedy

Drama

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!

Last Episode

S1E12: It's Time to Settle This

September 20, 2025

Where to Watch

Stream

Crunchyroll

Crunchyroll Amazon Channel

Buy

Amazon Video

Apple TV Store

Powered by JustWatch

Seasons

Season 1

Season 1

12 episodes · 2025

Cast

9 credited members

Rena Motomura

Rena Motomura

Marie (voice)

Daiki Hamano

Daiki Hamano

Kyros (voice)

Minami Tanaka

Minami Tanaka

Anastasia (voice)

Ryohei Kimura

Ryohei Kimura

Louisphon (voice)

Yoko Hikasa

Yoko Hikasa

Mio (voice)

Sayaka Ohara

Sayaka Ohara

Ryu Ryu (voice)

Tetsuya Kakihara

Tetsuya Kakihara

Toppo (voice)

Tatsuyuki Kobayashi

Tatsuyuki Kobayashi

Thomas (voice)

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