During the beginning of the war, your parents died in the wreckage of Shigaraki's quirk. Shouta and Hizashi both took custody of you by deciding to foster you then.

Now, you were a third year. The war was over. Japan seemed to have healed from the chaos of Shigaraki. Tartarus had been rebuilt and society was back to normal. And it was currently the weekend. You got to go home on the weekends. And everyone was watching early morning cartoons by the time you came downstairs.