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The Reason My Boyfriend Married My Older Sister

20251 seasonHirokazu Fujisawa

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Synopsis

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.

Drama
RevengeBased On Manga

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Frequently asked questions

What is The Reason My Boyfriend Married My Older Sister (2025) 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 stars in The Reason My Boyfriend Married My Older Sister?

The Reason My Boyfriend Married My Older Sister stars Shiori Akita (Aiko Miyata), Takuya Kageyama (Yuma Yoshimura), Riho Takada (Saeko Miyata), Masashi Ikeda (Takatoshi Makino), Hinako Kitano (Mai Yamaoka). The series was created by Hirokazu Fujisawa.

How many seasons does The Reason My Boyfriend Married My Older Sister have?

The Reason My Boyfriend Married My Older Sister has 1 seasons. There are 8 episodes in total.

Where can I watch The Reason My Boyfriend Married My Older Sister?

Streaming availability for The Reason My Boyfriend Married My Older Sister changes by country and service. TasteRay tracks where it is available across Netflix, Prime Video, Disney+, Max, Apple TV+ and 50+ other platforms — the current options for your country are shown on this page.