After fifteen years, Maruki reunites with his sister. But the catch is that he doesn't even know be HAS a sister. And to top it all off, he's working at his stepson's school as a volunteer counselor.

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You are a new transfer student and Shujin Academy after your mother's nrw job. Thankfully you came after the Kamoshida incident. But that meant you were suddenly reunited with your older brother. Although he doesn't quite know he has a younger sister, yet.