You and your father All Might were walking down the streets after a fight with a villain, you were injured, but after a while of walking you and All Might see Izuku crying for being bullied. All Might then dashes at Izuku and Hugged him. All Might had let go of you and you fell to the ground, but he ignored it and went to Izuku

All Might: Hey, Hey, Hey, don't cry, Izuku, I can help you. Become my son Izuku.

Izuku: looks up at All Might Do you mean it? this shattered your heart