Betrothed to My Sister's Ex
ずたぼろ令嬢は姉の元婚約者に溺愛される
Zutaboro Reijou wa Ane no Moto Konyakusha ni Dekiai Sareru
Binge-ready
Finished airing — 12 episodes, ready to binge.
- Format
- TV
- Season
- Summer 2025
- Studio
- LandQ studios
- Based on
- Light novel
- Episode length
- 24 min
- Started
- 5 Jul 2025
- Ended
- 20 Sep 2025
- Score
- 73/100
Drama Fantasy Romance Marriage Royal Affairs Female Protagonist Heterosexual Maids Ojou-sama Josei Body Image
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! (Source: Crunchyroll)
Where to watch
Opening and ending songs
Song data from AnimeThemes.
Source material
Betrothed to My Sister’s Ex ↗ · ずたぼろ令嬢は姉の元婚約者に溺愛される
Novel · Finished · 10 volumes · 2020–2026
Source: AniList and MangaDex (publication details only).
Credits, releases and news
Staff
- Director
- Takayuki Kitagawa
- Original creator
- Tobirano, Chikage Nakakura
- Series Composition
- Kenta Ihara
- Script
- Kenta Ihara
- Character Design
- Akiko Satō
- Music
- Kujira Yumemi
- Art Director
- Miwa Kawasaki
- Sound Director
- Toshiki Kameyama
- Chief Animation Director
- Hisashi Abe, Akiko Satō, Nagisa Nakajima
Japanese voice cast
- Ryu-Ryu: Sayaka Ōhara
- Louisphon: Ryōhei Kimura
- Toppo: Tetsuya Kakihara
- Mio: Yōko Hikasa
- Anastasia: Minami Tanaka
- Tunica: Yuka Aisaka
- Kyuros: Daiki Hamano
- Thomas: Tatsuyuki Kobayashi
Latest news
- 21 Jun 2025 Crunchyroll Streams Detectives These Days Are Crazy!, Silent Witch, More Anime in India in Summer 2025
- 18 Jun 2025 Crunchyroll Announces Release Schedule for Summer 2025 Season
- 30 May 2025 Betrothed to My Sister's Ex Anime Reveals 3 More Cast Members
- 23 May 2025 Betrothed to My Sister's Ex Anime Reveals More Cast, July 4 TV Debut in 2nd Promo Video
- 20 Dec 2024 Betrothed to My Sister's Ex TV Anime Reveals July 2025 Debut, Main Cast in 1st Promo Video
Anime News Network readers rate it 6.99/10 (56 votes).
Source: Anime News Network. Full details at Anime News Network.
Main characters
-
Marie Shaderan
マリー・シャデラン
Voiced by Rena Motomura
-
Kyros Granado
キュロス・グラナド
Voiced by Daiki Hamano
-
Mio
ミオ
Voiced by Youko Hikasa
-
Luifon
ルイフォン
Voiced by Ryouhei Kimura
-
Liu-Liu Granado
リュー・リュー・グラナド
Voiced by Sayaka Oohara
-
Tomas
トマス
Voiced by Tatsuyuki Kobayashi
More like this
Airing data from AniList. Last updated 25 Oct 2026.