Where can I watch Betrothed to My Sister's Ex online?

You can stream Betrothed to My Sister's Ex on NettMovies. Open the series page and pick a season and episode to start watching.

When did Betrothed to My Sister's Ex first air?

Betrothed to My Sister's Ex first aired in 2025.

What genre is Betrothed to My Sister's Ex?

Betrothed to My Sister's Ex is a animation, comedy, and drama series.

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

Betrothed to My Sister's Ex has 1 season and about 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, and Ryohei Kimura.

How is Betrothed to My Sister's Ex rated?

Betrothed to My Sister's Ex currently scores 8.1 out of 10 based on aggregated viewer ratings.

Series

Betrothed to My Sister's Ex

Name: Betrothed to My Sister's Ex
Genre: Animation, Comedy, Drama
Released: 2025-01-01
Rating: 8.1
Cast: Rena Motomura, Daiki Hamano, Minami Tanaka, Ryohei Kimura, Yoko Hikasa

2025 | ★ 8.1

Animation · Comedy · Drama

Seasons & episodes

Season

I Could Never Replace My Sister

2025-07-05

Marie is always dressed in tatters and is treated like a servant in her own home. Then she meets Count Kyros.

Marie, I Want to Marry You

2025-07-12

Kyros hates aristocratic society and its ties of obligation. But why? And what changed when he met Marie?

A Life I Saw in a Dream, and a Dream-like Life

2025-07-19

Marie begins her new life as Kyros' fiancée and finds herself bewildered by the differences from her old life.

I've Found the Things I Like

2025-07-26

Kyros wants to provide Marie with every comfort, but Mio cautions him. Then a package from the baron arrives.

The Prince and the Pitch-Black Warrior

2025-08-02

Luiphon takes Marie to a sword fighting contest. The ferocity of it scares her. Then the dark warrior fights.

Am I Enough As I Am?

2025-08-09

Liu Liu, Kyros' mother, discovers surprising things about Marie. Mio investigates the baron on Kyros' orders.

You're So Close, I Think You May Make Me Dizzy

2025-08-16

Mio investigates a comment in a letter from Marie's brother. Marie and Kyros go to the capital for a date.

A Gift More Lovely Than Jewels

2025-08-23

Kyros and Marie meet Luiphon at a jeweler's at his request. Thoughts of Anastasia haunt Marie's happiness.

In Pursuit of Anastasia's Spirit

2025-08-30

Kyros demands the truth of Anastasia's accident, but he and Marie are not prepared for the answers they find.

Please Call Off the Betrothal

2025-09-06

Worried, Kyros arranges to meet with Norman. But as Marie hears him describe his apprentice, her fears grow.

The Empty Princess Lives

2025-09-13

Marie's attacker talks about the past. Why did little Marie's life change so much? Why was she left in rags?

It's Time to Settle This

2025-09-20

Marie is determined to settle things. But even with everyone's help, how will she confront her parents?

Details

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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!

Frequently asked questions

Where can I watch Betrothed to My Sister's Ex online?: You can stream Betrothed to My Sister's Ex on NettMovies. Open the series page and pick a season and episode to start watching.
When did Betrothed to My Sister's Ex first air?: Betrothed to My Sister's Ex first aired in 2025.
What genre is Betrothed to My Sister's Ex?: Betrothed to My Sister's Ex is a animation, comedy, and drama series.
How many seasons of Betrothed to My Sister's Ex are there?: Betrothed to My Sister's Ex has 1 season and about 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, and Ryohei Kimura.
How is Betrothed to My Sister's Ex rated?: Betrothed to My Sister's Ex currently scores 8.1 out of 10 based on aggregated viewer ratings.

Betrothed to My Sister's Ex

Seasons & episodes

Details

Frequently asked questions

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Betrothed to My Sister's Ex

Seasons & episodes