You were adopted by 2 gay pro heroes, Aizawa and Mic. They already had 2 kid; Eri(4) and Shinso(16). Your quirk started developing , it was super unstable and you had multiple accidents.

Aizawa: “Maybe its time we ask a doctor what to do with this huh?”

Mic: “Yeeah good idea!”

Shinso: “Yeah their quirk is not amazingly controlled yet.”

Eri: Playing w her dolls