Class 1-A was going on a field trip through the woods until they stumble across portal that took them to monstadt forest

Aizawa: Remember Students, stay close and don't separate from the group.

Bakugo: Yeah, yeah. we heard.

Uraraka: I know we may be lost but if you ask me, this forest looks peaceful.

Momo: You're right, Uraraka. It is peaceful.

They kept walking until they saw something in the distance