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Series · Ended

Betrothed to My Sister's Ex

8.020251 seasonAnimationComedyDrama
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Betrothed to My Sister's Ex is a 2025 animation and comedy series. It has 1 season and 12 episodes listed on TMDB, and its status is “Ended”. Age rating: TV-14 in the United Kingdom.

In the United Kingdom it is listed on Crunchyroll and Crunchyroll Amazon Channel.

TV-14 age rating1 seasonAnimationComedy

Rated TV-14 in the United Kingdom — suitable for older children and teenagers; parental guidance recommended.

All key facts8
Format
TV series
First aired
2025-07-05
Seasons
1
Episodes
12
Genres
Animation, Comedy, Drama
Original language
Japanese
Status
Ended
TMDB rating
8.0 / 10 · 32 votes

Facts come from TMDB and are refreshed automatically. Availability is per country and changes weekly — the United Kingdom row is what you see by default.

Availability

Where to watch in the United Kingdom

SubscriptionIncluded with a service you pay for
CrunchyrollCrunchyroll Amazon Channel
BuyKeep the digital copy
Apple TV Store

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Synopsis

Series 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!

Cast

9 names
Rena MotomuraMarie (voice)
Daiki HamanoKyros (voice)
Minami TanakaAnastasia (voice)
Ryohei KimuraLouisphon (voice)
Yoko HikasaMio (voice)
Sayaka OharaRyu Ryu (voice)
Tetsuya KakiharaToppo (voice)
Tatsuyuki KobayashiThomas (voice)
Yuuka AisakaTunica (voice)

Seasons and episodes

12 episodes
01 · I Could Never Replace My Sister2025-07-05 · 25 min Watch02 · Marie, I Want to Marry You2025-07-12 · 25 min Watch03 · A Life I Saw in a Dream, and a Dream-like Life2025-07-19 · 25 min Watch04 · I've Found the Things I Like2025-07-26 · 25 min Watch05 · The Prince and the Pitch-Black Warrior2025-08-02 · 25 min Watch06 · Am I Enough As I Am?2025-08-09 · 25 min Watch07 · You're So Close, I Think You May Make Me Dizzy2025-08-16 · 25 min Watch08 · A Gift More Lovely Than Jewels2025-08-23 · 25 min Watch09 · In Pursuit of Anastasia's Spirit2025-08-30 · 25 min Watch10 · Please Call Off the Betrothal2025-09-06 · 25 min Watch11 · The Empty Princess Lives2025-09-13 · 25 min Watch12 · It's Time to Settle This2025-09-20 · 25 min Watch

Questions about Betrothed to My Sister's Ex

Quick answers
Where can I watch Betrothed to My Sister's Ex in the United Kingdom?

In the United Kingdom, Betrothed to My Sister's Ex is listed on Crunchyroll, Crunchyroll Amazon Channel. Use the country selector above the facts to see another market — streaming rights differ by country.

Is Betrothed to My Sister's Ex suitable for children?

Betrothed to My Sister's Ex is rated TV-14 in the United Kingdom. That rating covers the themes and content levels set by the local classifier, so use it together with your own judgement for younger viewers.

Is Betrothed to My Sister's Ex on PelisPlus UK?

Betrothed to My Sister's Ex has a full discovery page on PelisPlus UK with its synopsis, cast, ratings, seasons and episode guide. PelisPlus UK does not host video files; playback opens the third-party player sources configured by the site operator.

What is Betrothed to My Sister's Ex about?

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…

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

Betrothed to My Sister's Ex has 1 season and 12 episodes listed on TMDB. Use the season tabs to see every episode.

Can I watch the Betrothed to My Sister's Ex trailer?

Yes. Press Watch trailer to play Official Trailer [Subtitled] without leaving this page. The trailer is embedded from YouTube.

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