Betrothed to My Sister's Ex Episode 1: I Could Never Replace My Sister

Manga volume 1-2

Canon/HIGH

Oshimeter

8.0

4 Ratings

5★

4★

3★

2★

1★

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EPISODE REVIEWS

Very good first episode. The plot and the characters were established in a good manner and it seems like the dynamic between Kyuros and Marie will be good to watch develop. Very Cinderella-like plot with a very self-conscious protagonist.

erisa

3 mo

Verified

This is a good first episode. Even though the plot is very cliché, the story in this series is quite enjoyable. Furthermore, it is truly heartwarming to see the interactions between Marie and the Kyuros family. Look forward to see Marie's character development.

Episode Context

As the first of twelve episodes, this premiere carries the full weight of world-building and character establishment, introducing the central triangle of Marie, Anastasia, and Kyros while grounding the series in themes of neglect and self-discovery. No prior context is needed, this is the entry point. It lays essential groundwork for the romantic and familial conflicts that will escalate across the season, making it a necessary watch for understanding every relationship dynamic that follows.

Runtime24 min

Filler StatusCanon

Plot ImportanceHIGH

Air DateJul 5, 2025

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