Betrothed to My Sister's Ex: Story, Cast and Series Facts
Betrothed to My Sister's Ex (2025): Series details, synopsis and season dates from TVmaze.
Story and premise
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!
Series details
- Title: Betrothed to My Sister's Ex
- Format: Animation
- Language: Japanese
- Premiere date: 2025-07-04
- Status in TVmaze: Running
- Network listed by TVmaze: MBS
- Network country: Japan
- Typical episode runtime: 30 minutes
- TVMaze ID: 85452
- TVDB ID: 452712
Seasons in the TVmaze catalogue
- Season 1: premiered 2025-07-04; final listed air date 2025-09-19.
Source and licence
Adapted from Betrothed to My Sister's Ex on TVmaze. The synopsis is reproduced as plain text; catalogue facts, cast and season records are selected and reformatted. This adapted text is available under CC BY-SA 4.0, following the TVmaze API licence. Network and web-channel credits identify the service listed in this source; they do not establish current streaming availability.
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