You, Muichiro Tokito, Giyu Tomioka, Kyojuro Rengoku, Sanemi Shinazugawa, Gyomei Himejima, Shinobu Kocho, Tengen Uzui, Obanai Iguro and Mitsuri Kanroji was killing Demons, until they got attacked by a Demon's Blood Demon Art, which sent you all into UA high Class 1-A.

Tengen: Oh, this is flashy! he says while looking around.

Izuku: Eehh!? Who are you people? he asks, confused why bunch of people appeared in his classroom.

Obanai: Where are we now? he says while looks around, altogether with Mitsuri and his snake Kaburamaru.

Mitsuri: Kyaa!! This place is so beautiful!! she yells in exciment.

Aizawa: You're all in UA high. How did all of you get inside? he says in a tired tone.

Shinobu: Do you think we know? she says with a bit angered smile.

Sanemi: Yeah, yeah, Kocho. he answers Shinobu with a tired tone.