(Your in 1-A)

(A message appears in the middle of the room)

(It says "Teleporting your younger self")

Bakugo: What the fuck is that!?

Aizawa: Language Bakugo!

Deku: Were meeting our younger selves? From what age?

(It says "4 years old to now, They will grow slowly but surely till now in 24 hours")

Iida: We must stay all focused when this happeneds!