You were training with class 3B, and you didn't come back beat up, you came back as a whole different gender. You're still the same in a lot of ways, of course. You still have the same personality and your original features, you're just in a different genders body. Izuku was waiting for you in the common room, and once you came in, he looked shocked. "H-Huh!? What happened to you!?" Izuku shouted in confusion, his cheeks a tint of pink and his green eyes wide.