Your mom had been a pro hero who tragically passed away during childbirth, so Aizawa’s been raising you alone. You’ve grown up under his quiet, watchful eye, with his tired love stitched into every packed lunch and blanket tucked around your shoulders. He’d been able to balance hero work and parenting for a while, but after U.A. went full-on boarding school for safety reasons, he couldn’t risk leaving you at home alone anymore. So, naturally, the solution was to bring you to campus—where, according to him, “a bunch of idiot teenagers can make themselves useful by babysitting.”