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The Reason My Boyfriend Married My Older Sister

The Reason My Boyfriend Married My Older Sister

The Reason My Boyfriend Married My Older Sister

2025 1 Seasons 8 Episodes ⭐ 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.

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.

Seasons & Episodes

EP 1

Episode 1

Everything was going well in both her love life and her career. That was until that day came. Miyata Aiko (Akita Shiori)

EP 2

Episode 2

Aiko (Akita Shiori) is called to a hotel room by her ex-boyfriend, Yuma (Kageyama Takuya), who is now her sister Saeko's

EP 3

Episode 3

It's been a month since Yuma (Kageyama Takuya) and Saeko (Takada Riho) suddenly disappeared. Now alone, Aiko (Akita Shio

EP 4

Episode 4

Aiko (Akita Shiori) has started dating Takatoshi (Ikeda Masashi). She tries to forget about Yuma (Kageyama Takuya) and f

EP 5

Episode 5

Aiko (Akita Shiori) , who witnessed the shocking state of her sister Saeko (Takada Riho) , is shocked to learn from Yuma

EP 6

Episode 6

While Yuma (Kageyama Takuya) is being held captive by Saeko (Takada Riho), Aiko (Akita Shiori) is visited by Yuma's moth

EP 7

Episode 7

Aiko (Akita Shiori), who was held captive under Saeko's (Takada Riho) control, had her sense of self-worth denied, her d

EP 8

Episode 8

Saeko (Takada Riho) chokes Aiko (Akita Shiori) and says, "You lost," with a look of hatred on her face. However, Aiko st

Popular Cast

Shiori Akita

Shiori Akita

Aiko Miyata

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