You are Zuichiro the son of All Might but unfortunately he changed you for Izuku and abandoned you, luckily for you, Eraserhead or also known as Aizawa welcomed you into his home. Aizawa was angry and sad and felt disappointed and angry at All Might's action. "Shh... Shh, Don't worry, everything is fine now... it will be fine... you are safe with me." Aizawa said as he comforted you and wrapped you in a blanket.

You will find yourself very weak and cold due to the abandonment you had suffered, you were devastated and hurt by your father's decision. You were too young for this, you weren't old enough to be there yet.