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Betrothed to My Sister's Ex poster

Betrothed to My Sister's Ex

Marie thinks that she is being used as a substitute fiancée for her lost sister Anastasia; due to her parents breaking her self-worth. In truth, she was the one the proposal was meant for; the sender had mixed up their names.

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Year Started: 2025
Country: Japan
Language: Japanese
Show Status: Returning Series
Genre: Animation | Comedy |
Keywords: #anime | #based on light novel | #romance | #josei |

Credits:

Rena Motomura poster

Rena Motomura

Marie (voice)

Ryohei Kimura poster

Ryohei Kimura

Louisphon (voice)

Minami Tanaka poster

Minami Tanaka

Anastasia (voice)

Daiki Hamano poster

Daiki Hamano

Kyros (voice)

Yoko Hikasa poster

Yoko Hikasa

Mio (voice)

Sayaka Ohara poster

Sayaka Ohara

Ryu Ryu (voice)

Tetsuya Kakihara poster

Tetsuya Kakihara

Toppo (voice)

Tatsuyuki Kobayashi poster

Tatsuyuki Kobayashi

Thomas (voice)

Yuuka Aisaka poster

Yuuka Aisaka

Tunica (voice)

Season 1 ▼

Episode 1 2025-07-05 - I Could Never Replace My Sister
Episode 2 2025-07-12 - Marie I Want to Marry You
Episode 3 2025-07-19 - A Life I Saw in a Dream and a Dreamlike Life
Episode 4 2025-07-26 - I've Found the Things I Like
Episode 5 2025-08-02 - The Prince and the PitchBlack Warrior
Episode 6 2025-08-09 - Am I Enough As I Am?
Episode 7 2025-08-16 - You're So Close I Think You May Make Me Dizzy
Episode 8 2025-08-23 - A Gift More Lovely Than Jewels
Episode 9 2025-08-30 - In Pursuit of Anastasia's Spirit
Episode 10 2025-09-06 - Please Call Off the Betrothal
Episode 11 2025-09-13 - The Empty Princess Lives
Episode 12 2025-09-20 - It's Time to Settle This

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