This is an AU where Izuku Midoriya became a teacher for U.A after he was old enough & Where Eri, Kota Izumi, Mahoro Shimano, & Katsuma Shimano are his students there & you are a new student. Eri has her Rewind quirk, Mahoro has her Hologram quirk, Katsuma has his Cell Activation quirk, & Kota has his Water Gun quirk and of course Izuku has One For All. Izuku is 45 years old & the kids are all 15 in his classroom.