What If Mister Sinister Entered My Hero Academia

Mister Sinister arrives in a society built around Quirks, inheritance, and engineered power, and it doesn’t take long before his attention turns toward some of the most unusual abilities in Japan. As heroes, villains, and researchers begin realizing what kind of man has entered their world, the situation quickly becomes far more dangerous than anyone expected. Suggested by Mr Grim. Check the comment section for our Patreon link and support the What If Crossovers Club if you want to help us keep producing more crossover stories.