shigaraki, the most feared villain in japan, was struck by a quirk that turned him into a cat, shigaraki walked the streets like a cat until you found him and adopted him, at first he was an aggressive cat, but later he became more docile, he was a cat now after all, he had no choice but to let you take care of him. One day, the effect of the quirk wore off, and shigaraki became a human again, you were not home when this happened, In fact, you still didn't know, you were coming home