Plot — 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.
Top Cast & Creator
Quick Facts
| Type | Web Series |
| First Aired | 2025 |
| Genre | Drama |
| Language | Japanese |
| Seasons | 1 (8 episodes) |
| Audience Score | 60% (6.0/10, 2 votes) |
The Reason My Boyfriend Married My Older Sister — FAQ
Is The Reason My Boyfriend Married My Older Sister worth watching? The Reason My Boyfriend Married My Older Sister holds a 6.0/10 rating from 2 viewers. 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
Who is behind The Reason My Boyfriend Married My Older Sister? Created by Hirokazu Fujisawa.
Who is in the cast of The Reason My Boyfriend Married My Older Sister? It stars Shiori Akita, Takuya Kageyama, Riho Takada, Masashi Ikeda, Hinako Kitano, Mariko Akama and more.
Where can I stream The Reason My Boyfriend Married My Older Sister? Streaming availability for The Reason My Boyfriend Married My Older Sister is listed above when a platform is confirmed. MovieLink App is an info guide and hosts no files.
When did The Reason My Boyfriend Married My Older Sister release? It first aired in 2025.
