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Betrothed to My Sister's Ex

Betrothed to My Sister's Ex

20258.21 Season12 EpisodesEndedTV-14

Overview

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!

Created by Kenta Ihara
Written by Kenta Ihara, Tobirano
Produced by Shintaro Yoshitake, Kohei Matsuoka, Masanori Ishii
NetworksMBSTBSCBC

Where to Watch

Stream

CrunchyrollCrunchyroll Amazon Channel

Buy

Amazon VideoApple TV Store

Streaming data via JustWatch

Top Cast

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)

Yuuka Aisaka

Yuuka Aisaka

Tunica (voice)

Trailer

Themes & Keywords

romanceanimejoseibased on light novel

About Betrothed to My Sister's Ex

Betrothed to My Sister's Ex is a animation, comedy, drama series that first aired in 2025 exploring themes of romance, anime, josei, based on light novel. Created by Kenta Ihara, it stars Rena Motomura, Daiki Hamano, Minami Tanaka. 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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