TV-14MBS8.1(28)

Betrothed to My Sister's Ex

Name: Betrothed to My Sister's Ex
Director: Takayuki Kitagawa
Genre: Animation, Comedy, Drama
Released: 2025-07-05
Rating: 8.1

ずたぼろ令嬢は姉の元婚約者に溺愛される

AnimationComedyDrama

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We checked 8 streaming services in India on 04 Jun 2026 at 10:47 IST

2025

1 Season

12 Episodes

Ended

TV-14

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 Anastasia. After a tragic accident, Marie must marry the count instead!

#romance#anime#josei#based on light novel

Cast

Rena Motomura

as Marie (voice)

Daiki Hamano

as Kyros (voice)

Minami Tanaka

as Anastasia (voice)

Ryohei Kimura

as Louisphon (voice)

Yoko Hikasa

as Mio (voice)

Sayaka Ohara

as Ryu Ryu (voice)

Tetsuya Kakihara

as Toppo (voice)

Tatsuyuki Kobayashi

as Thomas (voice)

Yuuka Aisaka

as Tunica (voice)

Seasons

Season 1

12 episodes2025

Episodes

Season 1

See all 12episodes →

I Could Never Replace My Sister

Jul 5, 202525m8.0

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

Jul 12, 202525m7.5

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

Jul 19, 202525m7.0

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

Jul 26, 202525m7.0

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

Aug 2, 202525m7.0

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?

Aug 9, 202525m8.0

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

Aug 16, 202525m7.0

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

Aug 23, 202525m7.0

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

Where does Betrothed to My Sister's Ex rank today?

Betrothed to My Sister's Ex is #2003 on the CineFlixo Daily Streaming Charts today.

Highest: #2003
Top 10: 0 days
Top 100: 0 days

Watch Betrothed to My Sister's Ex Online Free — All Episodes in HD

Stream Betrothed to My Sister's Ex online free in HD on CineFlixo. A highly acclaimed animation, comedy, and drama series originally produced in Japonés and released in 2025, it's earned a solid 8.1/10 from 28 viewers worldwide.

About Betrothed to My Sister's Ex

Betrothed to My Sister's Ex Cast and Characters

The cast features Rena Motomura (as Marie (voice)), Daiki Hamano (as Kyros (voice)), Minami Tanaka (as Anastasia (voice)), Ryohei Kimura (as Louisphon (voice)), and Yoko Hikasa (as Mio (voice)). Their performances are a major reason Betrothed to My Sister's Ex has built such a passionate audience.

Where to Watch Betrothed to My Sister's Ex Online

On CineFlixo you can watch Betrothed to My Sister's Ex free — no account, no credit card, no ads in the middle of the show. We stream the full series in 720p / 1080p HD, with subtitles when available, on any device: phone, tablet, laptop, or smart TV browser.

▶ Watch Betrothed to My Sister's Ex Now

Why People Are Watching Betrothed to My Sister's Ex

There's a reason Betrothed to My Sister's Ex keeps showing up on "must-watch" lists. What makes it work is emotional weight that hits where it counts and sharp comedic timing that lands consistently. If you enjoy Japonés storytelling that doesn't follow the same tired beats, this is the kind of show you'll end up recommending to friends.

Frequently Asked Questions about Betrothed to My Sister's Ex

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

You can watch Betrothed to My Sister's Ex online free on CineFlixo. Just open the page and hit play — no signup, no subscription, full HD streaming on phone, tablet, or desktop.

How many episodes does Betrothed to My Sister's Ex have?

Betrothed to My Sister's Ex has 12 episodes across 1 season. All episodes are available to stream right here on CineFlixo.

Is Betrothed to My Sister's Ex good? What's the rating?

Betrothed to My Sister's Ex holds a 8.1/10 rating based on 28 reviews — genuinely excellent.

Who is in the cast of Betrothed to My Sister's Ex?

The main cast includes Rena Motomura, Daiki Hamano, Minami Tanaka, and Ryohei Kimura, plus a strong supporting ensemble.

Is Betrothed to My Sister's Ex available in Japonés?

Yes — Betrothed to My Sister's Ex was originally produced in Japonés and that's the version you'll stream here on CineFlixo. English subtitles are provided when available.

When was Betrothed to My Sister's Ex released?

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

Do I need an account to watch Betrothed to My Sister's Ex on CineFlixo?

No. CineFlixo is free and you can watch Betrothed to My Sister's Ex without creating an account. Sign-up is optional — only useful if you want a personal Watchlist or to comment on episodes.

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Frequently Asked Questions

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

You can watch Betrothed to My Sister's Ex online for free on CineFlixo. All 12 episodes across 1 season are available to stream in HD without a subscription, signup, or paywall. Just open the show page and press play.

How many seasons and episodes does Betrothed to My Sister's Ex have?

Betrothed to My Sister's Ex currently has 1 season and a total of 12 episodes. The series status is "Ended", so the episode count may grow as new seasons are released. You can browse the full episode list on CineFlixo and continue watching from where you left off.

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… It belongs to the Animation, Comedy, Drama genres.

In which language is Betrothed to My Sister's Ex originally available?

Betrothed to My Sister's Ex was originally produced in JA. On CineFlixo the show is available in its original JA audio. Check the player options on the watch page for available subtitle tracks.

When was Betrothed to My Sister's Ex first released?

Betrothed to My Sister's Ex first premiered on July 5, 2025 (2025). The series has since concluded its run.