TV series
Betrothed to My Sister's Ex
2025, Japanese, on MBS & TBS.
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
- Episodes
- 12
- Episode length
- 25 min
- Status
- Ended in 2025
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Where to watch Betrothed to My Sister's Ex
Betrothed to My Sister's Ex is streaming on Crunchyroll and Anime Times in India.
Crunchyroll
Crunchyroll Amazon Channel
Anime Times Amazon ChannelAvailability in India as of 13 November 2026. Streaming data by JustWatch.
Latest episode
S1 E12: It's Time to Settle This
Aired 20 September 2025
Seasons 1
Cast & crew
- Rena MotomuraMarie (voice) · 12 ep
- Daiki HamanoKyros (voice) · 12 ep
- Minami TanakaAnastasia (voice) · 12 ep
- Ryohei KimuraLouisphon (voice) · 12 ep
- Yoko HikasaMio (voice) · 12 ep
- Sayaka OharaRyu Ryu (voice) · 12 ep
- Tetsuya KakiharaToppo (voice) · 12 ep
- Tatsuyuki KobayashiThomas (voice) · 12 ep
- Yuuka AisakaTunica (voice) · 12 ep
Details
- First aired
- 5 July 2025
- Last aired
- 20 September 2025
- Network
- MBS, TBS, CBC
- Original title
- ずたぼろ令嬢は姉の元婚約者に溺愛される
- Language
- Japanese
- Country
- Japan
- Type
- Scripted
- Rated
- TV-14
Check ratings elsewhere
News & fan talk
What Betrothed to My Sister's Ex is based on
Betrothed to My Sister's Ex is based on Betrothed to My Sister's Ex, a light novel series.
Light novel series
Betrothed to My Sister's Ex
Source details from Wikidata and TMDB.
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Betrothed to My Sister's Ex: quick answers
Is Betrothed to My Sister's Ex worth watching?
Betrothed to My Sister's Ex doesn’t have enough ratings for a verdict yet.
How many seasons of Betrothed to My Sister's Ex are there?
Betrothed to My Sister's Ex has 1 season and 12 episodes, about 25 minutes each.
Is Betrothed to My Sister's Ex finished?
Yes. Betrothed to My Sister's Ex ended in 2025, so you can watch the whole story.
Which OTT platform is Betrothed to My Sister's Ex on?
Betrothed to My Sister's Ex is streaming on Crunchyroll and Anime Times in India. (Checked 13 November 2026.)
Betrothed to My Sister's Ex parents guide: is it suitable for kids?
Betrothed to My Sister's Ex is rated TV-14. Check the rating guidance before watching with young children.
What shows are like Betrothed to My Sister's Ex?
If you liked Betrothed to My Sister's Ex, try I Made Friends with the Second Prettiest Girl in My Class, Honey and Clover, ORESUKI Are you the only one who loves me?.
What is Betrothed to My Sister's Ex based on?
Betrothed to My Sister's Ex is based on Betrothed to My Sister's Ex, a light novel series.