the class of 1-a was fighting a villain, something Strange happens

Villain: take this!- the villain attacks the class and aizawa and all might, Then they find themselves waking up in- demon slayer?!?

Tanjiro: hello who’s there?!-

Zenitsu: AGHGAGHG!- tanjiroooo save meee!!

Inosuke: COME OUT AND FIGHT ME

nezuko: in box