The Reason My Boyfriend Married My Older Sister poster

The Reason My Boyfriend Married My Older Sister( 2025)

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70%
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Overview

After a suspicious fall leaves her in a coma, Aiko wakes to a nightmare: her boyfriend is now married to her sister, and her promising career is gone. Trapped in a web of betrayal and secrets, she sets out to uncover the truth in this twisted tale of love, loss, and revenge.

    Series Cast

    1. cast image

      Shiori Akita

      Aiko Miyata

    2. cast image

      Takuya Kageyama

      Yuma Yoshimura

    3. cast image

      Riho Takada

      Saeko Miyata

    4. cast image

      Masashi Ikeda

      Takatoshi Makino

    5. cast image

      Hinako Kitano

      Mai Yamaoka

    6. cast image

      Mariko Akama

      Yuriko Yoshimura

    7. cast image

      Tomomi Maruyama

      Masaki Yoshimura

    Current Season

    The Reason My Boyfriend Married My Older Sister season poster

    Season 1

    2025 | 8 Episodes

    Season 1 of The Reason My Boyfriend Married My Older Sister premiered on Aug 07 2025

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    Media

    Videos 0Backdrops 3Posters 2

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    Facts

    Status

    Ended

    Status

    network logo
    Type

    Scripted

    Original Language

    English

    Keywords

    • revenge
    • based on manga