Betrothed to My Sister's Ex
series not in production
Ended
Animation
Comedy
Drama
Seasons | 1
Episodes | 12
avg.Runtime | min
First EP | 2025-07-05
Last EP | 2025-09-20
Overview
Stream on
Crunchyroll
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!
Created by
Produced by
LandQ Studios
Futabasha
NK Animation
MBS
Pierrot
Starry Cube
Bit grooove promotion
Season List
season 1 || Season 1
Relesed on | 2025-07-05
1
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.
2
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?
3
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.
4
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.
5
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.
6
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.
7
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.
8
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.
9
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.
10
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.
11
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?
12
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?
CAST
charactor: Marie (voice)
Original: Rena Motomura
Total EP: 12
charactor: Kyros (voice)
Original: Daiki Hamano
Total EP: 12
charactor: Anastasia (voice)
Original: Minami Tanaka
Total EP: 12
charactor: Louisphon (voice)
Original: Ryohei Kimura
Total EP: 12
charactor: Mio (voice)
Original: Yoko Hikasa
Total EP: 12
charactor: Ryu Ryu (voice)
Original: Sayaka Ohara
Total EP: 12
charactor: Toppo (voice)
Original: Tetsuya Kakihara
Total EP: 12
charactor: Thomas (voice)
Original: Tatsuyuki Kobayashi
Total EP: 12
charactor: Tunica (voice)
Original: Yuuka Aisaka
Total EP: 12
CREW
Miwa Kawasaki
Background Designer
Art
Hideyuki Matsumoto
Art Designer
Art
Tomoyasu Fujise
Art Designer
Art
Hana Kawaguchi
Background Designer
Art
Mika Nakae
Background Designer
Art
Takayuki Kitagawa
Storyboard Artist
Art
Nao Goto
Background Designer
Art
Ayaka Fukawa
Background Designer
Art
Kei Machida
Director of Photography
Camera
Miyako Hoshi
Special Effects
Crew
Takayuki Kitagawa
Series Director
Directing
Masakazu Sunagawa
Assistant Director
Directing
Masahito Otani
Director
Directing
Haruto Karasawa
Online Editor
Editing
Neo Hirano
Assistant Editor
Editing
Ayako Tan
Editor
Editing
Hitomi Kimura
Online Editor
Editing
Rei Harada
Publicist
Production
Honoka Ozaki
Producer
Production
Masanori Ishii
Producer
Production
Kohei Matsuoka
Producer
Production
Toru Nakamura
Producer
Production
Shintaro Yoshitake
Producer
Production
Miku Yuki
Publicist
Production
Misaki Sugiura
Producer
Production
Hiroto Inadome
Production Assistant
Production
So Inoue
Production Assistant
Production
Masami Kitakata
Sound Effects
Sound
Kujira Yumemi
Original Music Composer
Sound
Izumi Ito
Sound Mixer
Sound
Toshiki Kameyama
Sound Director
Sound
Akiko Sato
Character Designer
Visual Effects
Kanna Terawake
Color Designer
Visual Effects
Kenji Isobe
3D Director
Visual Effects
Hiroya Kamakura
Animation Director
Visual Effects
Yosuke Kikuchi
Key Animation
Visual Effects
Ryuta Nakahara
Animation Director
Visual Effects
Sota Mikami
Compositing Artist
Visual Effects
Ayano Fujita
Animation Director
Visual Effects
Zhangzhi Longding
Key Animation
Visual Effects
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