Five Nights at Izuku's

A young Izuku Yagi had a good life, until the age of 4. At 4 years old he was diagnosed quirkless and his life went down the drain. His parents, Inko and Toshinori Yagi started to neglect him. His sister, Izumi Yagi, started to bully him along with her gang of his ex "friends." That was fine. He already knew by that point he couldn't be a hero. He started spending his time studying mechanics to try and become a support hero. That all ended when at the age of 12 he was beaten by Izumi and her friends and dragged into a pizzeria. They tossed and locked him inside. He would have been okay with this if it weren't for the man in purple. All he remembers is pain before waking up in a robotic fox body. Then he met her...