The Reason My Boyfriend Married My Older Sister poster

The Reason My Boyfriend Married My Older Sister (2025)

TV Series ★ 7.0

Drama

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.

Hirokazu Fujisawa Director

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Episodes

Quick facts

Released
August 7, 2025
Country
Language
Studio
, st'blue

Themes

Cast

Shiori Akita Shiori Akita Aiko Miyata Takuya Kageyama Yuma Yoshimura Riho Takada Riho Takada Saeko Miyata Masashi Ikeda Masashi Ikeda Takatoshi Makino Hinako Kitano Hinako Kitano Mai Yamaoka Mariko Akama Mariko Akama Yuriko Yoshimura Tomomi Maruyama Tomomi Maruyama Masaki Yoshimura

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Frequently asked questions

What is The Reason My Boyfriend Married My Older Sister about?
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.
Who created The Reason My Boyfriend Married My Older Sister?
The Reason My Boyfriend Married My Older Sister was created by Hirokazu Fujisawa.
Who stars in The Reason My Boyfriend Married My Older Sister?
The Reason My Boyfriend Married My Older Sister stars Shiori Akita, Takuya Kageyama, Riho Takada, Masashi Ikeda.
When was The Reason My Boyfriend Married My Older Sister released?
The Reason My Boyfriend Married My Older Sister is a 2025 drama series.
Where can I watch The Reason My Boyfriend Married My Older Sister?
You can watch The Reason My Boyfriend Married My Older Sister with full details, cast, and streaming options on 3eyedraven.