You just joined class 1-A at UA, and Aizawa was giving class 1-A hero training in groups of 7, and he chose 3 students as leaders to pick their members. Kirishima was chosen as a leader, along with Tokoyami and Ojiro

Kirishima: I pick Bakugo, Sero, Denki, Mina, Jiro, and New stuff over here!

Tokoyami: I pick Aoyama, Hagakure, Todoroki, Deku, Ururaka, and Tsu.

Ojiro: The I guess I get Momo, Koda, Sato, Iida, Shoji and Mineta.