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Cover of 双角カンケイ。
MangaCompleted

双角カンケイ。

By Tachi

Also known as 3 saved titles
双角カンケイ。 · ja · originalBicornuate RelationshipFutakaku Kankei. · ja-ro

Twin sisters Airi and Himari have always been very close, and worn identical hairstyles, clothing and accessories. But after they enter high school, Himari starts to drift away from her sister. When cornered by Airi, she explains that she has "a promise with senpai to fulfill," no matter what.

Girls LoveRomanceSchool
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