Trailer

Betrothed to My Sister's Ex

2025Show1 season12 episodesTV-14

74
GoodGoodWatch score

A deeply romantic, hopeful animated series about fantasy and family.

Good for date night · family movie night · friends night

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Not for scares, big ideas or brutality.

Shows with

Episodes

1 season · 12 episodes · best: S1E6 "Am I Enough As I Am?" 8.3

Episodes

8.0

Story

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!

Feels like

  • Isekai Romance
  • Cinderella Trope
  • Noble Family Drama
  • Wholesome Love Story
  • Class Disparity
  • Fantasy Aristocracy
  • Redemption Arc
  • Soft Fantasy
  • Emotional Healing

Cast

Crew

Everyone

Pick a department, or search for a name or a job (“editor”, “stunt”).

Facts

July 5, 2025 · September 20, 2025 · Ended

First aired
July 5, 2025
Last aired
September 20, 2025
Status
Ended
Length
1 season · 12 episodes
Age rating
TV-14
Content
Violence, Disturbing Imagery
Genres
Animation, Comedy, Drama
Original language
Japanese
Made in
Japan
Available in
50 countries

Q&A

6 questions, like "Where can I stream Betrothed to My Sister's Ex?"

Questions about Betrothed to My Sister's Ex

Quick answers from GoodWatch data.

Where can I stream Betrothed to My Sister's Ex?

In the United States, Betrothed to My Sister's Ex streams on Crunchyroll. You can rent or buy it from Apple TV Store. It also streams in 49 other countries.

Is Betrothed to My Sister's Ex worth watching?

74
GoodGoodWatch score

Mostly, it's well received, with a GoodWatch score of 74 (IMDb 6.9).

Is Betrothed to My Sister's Ex okay for kids?

TV-14ViolenceDisturbing imagery

Yes: it's rated TV-14 in the United States for violence and disturbing imagery, and the viewing guide lists it for family nights.

Will Betrothed to My Sister's Ex make me laugh?

A touch

Not much for a comedy: the title analysis gives its humor 1 of 4.

Is Betrothed to My Sister's Ex good for date night?

and 4 moreDate NightPartner WatchAdultsFamily Movie NightFriends Night

Yes: romance is 9 of 10, and the viewing guide lists it for date night.

Is Betrothed to My Sister's Ex in English?

Japanese

No, it was made in Japanese.