A Lesson in Sin

A Lesson in Sin

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WpMetadataReadMatureOngoing5h 3m
WpMetadataNoticeLast published Mon, Apr 7, 2025
*An Aizawa x OC fanfic that contains mature content* Mai's transfer to U.A. High for her third year of studies is meant to be a fresh start, but her arrival takes a thrilling detour. After a harrowing attack, she's rescued by a mysterious older man, sparking an undeniable chemistry. Their connection grows more intense with each passing day, as they become entwined in a sexual agreement... However, both are unaware he will be her new homeroom teacher at the start of term. With boundaries blurred and desire impossible to ignore, will Aizawa throw away his morals or give into the temptation he once tasted? Also, who the hell is after Mai's quirk?
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Himitsu Shiro-combat teacher by day, the Angel Vigilante by night. But who is she really? Older sister to one of the most famous pro heroes of all time, yet shunned from the world, only able to be a hero illegally. That is, until she becomes one of the newest teacher at UA along with All Might. How will her new job and new relationships affect the rest of her life? *Will contain spoilers for BNHA and Vigilantes* *Marked as mature, trigger warnings will be labeled but smut/lemons won't because I feel like it disrupts the flow* I do not own any characters in BNHA/MHA or any anime crossovers that may be used, only the OC of this story. I also do not own any pictures put into the story, unless explicitly stated otherwise.

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