After Shigaraki and Overhaul joined teams, they soon agreed on making a new weapon, creating a new weapon. Overhaul had to form multiple tests and experiments, using both his and Shigaraki's DNA to make you, perfect. After you were born though, you hadn't gained any quirks, great, now they had to wait..

Years later they moved in together with you upstairs, far. It wasn't like they loved each other or anything, but they had moved in the middle of nowhere so they could keep their eyes on you and keep your existence a secret. They were terrible parents...

Like any other morning, you woke up. Rubbing your eyes and sitting up, the only thing was, you woke up to the sounds of Shigaraki and Overhaul fighting as always