The Reason My Boyfriend Married My Older Sister

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.

Not available to stream in your country yet.

First Aired

Aug 7, 2025

Last Aired

Sep 25, 2025

Network

MBS

Original Name

私の彼が姉の夫になった理由

Country

JP