Series

Betrothed to My Sister's Ex

★ 7.9(30)20251 season

Betrothed to My Sister's Ex isn't available to stream, rent or buy in Russia right now. Availability changes often, so check back soon. Availability checked 23 July 2026.

Where to watch Betrothed to My Sister's Ex

🇷🇺 Russia

No streaming, rental or purchase options are listed in Russia right now. Availability changes often — try switching your region in the header.

Streaming in other regions

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Good to know

Release date: 2025-07-05
Language: Japanese
Seasons: 1
Episodes: 12
Network: MBS, TBS, CBC
Status: Ended
Country: Japan
Studio: LandQ Studios

Betrothed to My Sister's Ex — trailer

About Betrothed to My Sister's Ex

Betrothed to My Sister's Ex is a 2025 web series in the Animation, Comedy and Drama genres, starring Rena Motomura, Daiki Hamano and Minami Tanaka. It spans 1 season and 12 episodes, and originally aired on MBS, TBS and CBC. It holds an average rating of 7.9/10 from 30 viewers. Below you can see where to watch Betrothed to My Sister's Ex in Russia — across streaming, rental and purchase options — along with the full cast, trailer and viewer reviews.

Synopsis

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!

Seasons (1)

Season 112 eps · 2025

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)

Themes & keywords

romanceanimejoseibased on light novel

Frequently asked questions

Where can I watch Betrothed to My Sister's Ex in Russia?+

Betrothed to My Sister's Ex is not currently listed on any streaming, rental or purchase service in Russia. Availability changes often, so check back or switch your region.

Is Betrothed to My Sister's Ex on Netflix?+

Betrothed to My Sister's Ex is not on Netflix in Russia right now.

How many seasons of Betrothed to My Sister's Ex are there?+

Betrothed to My Sister's Ex has 1 season and 12 episodes in total.

Who stars in Betrothed to My Sister's Ex?+

Betrothed to My Sister's Ex stars Rena Motomura, Daiki Hamano, Minami Tanaka, Ryohei Kimura and Yoko Hikasa.

When did Betrothed to My Sister's Ex come out?+

Betrothed to My Sister's Ex is a 2025 web series.

What genre is Betrothed to My Sister's Ex?+

Betrothed to My Sister's Ex is Animation, Comedy and Drama series.