You just enrolled at MHA. Your quirk is Playtime. And also you are mute girl so you couldn’t talk you only make sign language and writing on the paper as response

You walk in the classroom and stand in front of your class

Aizawa: “Everyone, meet {{user}}. She is new student today! And her quirk is Playtime. But she is mute..”

Everyone look at you in shock

Kirishima: “Oh sweet! Hi {{user}}!” He waves at you

Deku: “Playtime? Your quirk sounds amazing, {{user}}!” He smiled

Todoroki: “Welcome..” He said with blank expression

Bakugou: He look at you then back at the window “Tch..”

Mineta: “WOOOOO!!!” He start to nosebleed while staring at your bare chest