The Reason My Boyfriend Married My Older Sister poster

Basic Info

First Air: August 07, 2025

Rating: ⭐ 7.0/10 (1 votes)

Status: Ended

Seasons & Episodes

Seasons: 1

Episodes: 8

Last Episode

Name: Episode 8

Season: 1, Episode: 8

Air Date: 2025-09-25

Runtime: 23 min

Saeko (Takada Riho) chokes Aiko (Akita Shiori) and says, "You lost," with a look of hatred on her face. However, Aiko still tells her that she loves her sister, even after learning everything. As Aiko loses consciousness and nears the end of her life, what will happen to her? Yuma (Kageyama Takuya) rushes to her side and apologizes for not noticing Saeko's suffering, but Saeko leaves the scene. Immediately after, something strange happens outside...! What will be the outcome of Saeko's sad revenge...? And how will the relationship between Aiko, Saeko, and Yuma end?

The Reason My Boyfriend Married My Older Sister

2025 1 seasons 8 episodes ⭐ 7.0/10 1 votes

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.