Growing up with(out) you (слэш)

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Young Shouta was walking home from school one day, only to get sent into a not so far future with no way to tell anyone the details of his name or quirk.
Stranded with no family, friends or allies, Shouta manages to find someone to love and trust.
Years later, he gets forcefully sent back into the past, learns that almost no time has passed, and has to grow up all over again. Only this time without Izuku by his side.
He never thought he’d see his childhood friend/love again. So imagine his surprise when he sees him in his new homeroom class, only this time as his student.
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