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Availability last checked Oct 2, 2026.
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What it's about
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.
Cast and crew
- Writer
- Tobirano
- Starring
- Yôko Hikasa, Mitsuo Iwata, Sayaka Ôhara
Details
- Release date
- Jul 5, 2025
- Language
- Japanese
- Country
- Japan
Where to Watch Betrothed to My Sister's Ex (2025) in the US — common questions
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