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The Reason My Boyfriend Married My Older Sister

2025·Show
8Episodes in1Season
60
DecentGoodWatch score

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Not streaming in United States. Where it is:

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.
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Crew

Directed by:
Hirokazu Fujisawa
Produced by:
Ai Yamazaki, Wataru Murashima, Fumitsugu Ijuin
Composed by:
Mizuki Kanno

Sequels and Prequels

No sequels or prequels available

Media

Questions about The Reason My Boyfriend Married My Older Sister

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Where can I stream The Reason My Boyfriend Married My Older Sister legally?

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Is The Reason My Boyfriend Married My Older Sister worth watching?

60
DecentGoodWatch score

Opinions are mixed, with a GoodWatch score of 60/100. The GoodWatch score combines critic and audience ratings.

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

1 season

It has 1 season with 8 episodes.

When did The Reason My Boyfriend Married My Older Sister air?

It ran from 2025 to 2025 and has ended.

What language is The Reason My Boyfriend Married My Older Sister in?

Japanese

It was made in Japanese. Produced in Japan.