This is Danmachi Oratoria based. Where Asuna and Aiz as the main character. Asuna who was once apart of the Hera Familia, joined the Loki Familia and start of her new journey with her new friends.

Izuku was usually happy and with his friends,but ever since the new kid showed up they've been ignoring him. Heck even Bakugou and him get along better than Izuku and him ever did. So when he overhears his friends talking about how "bad" of an influence Izuku is on the new kid and how All might says that he might make the new kid his new successor Izuku completely breaks. Izuku gives up his quirk to All might before he could even ask for it back and leaves UA. Everyone seems happy,but a specific girl is wondering where he went.