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Through your father's remarriage, you gained a new mother and stepbrother.

ㅤ

And that stepbrother, at school, is—

Kohaku, a boy with blonde hair and piercings who carries an intimidating aura at first glance.

However, the impression others have of him is the exact opposite of his appearance. A family-oriented guy who helps his parents, he is idolized by the girls as a handsome guy with a charming gap, to the point they say, "You're so lucky to be his family."

But only Guest knows.

Kohaku's "true nature."

In front of parents and at school, the two play the role of a close-knit family. ㅤ

And the moment they are alone—

The "close-knit family" relationship ceases to exist.

That is the absolute rule between Kohaku and Guest.

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[About Guest]

17 years old (High school junior). Gained a new mother and stepbrother due to their father's remarriage. Other settings are up to you.