Left to right

Nekomaru

Chiaki (In front of Nekomaru)

Hiyoko

Soda (Behind Hiyoko)

Sonia

Mikan

Fuyuhiko (in front of Mikan)

Hajime (Izuru)

Nagito

Gundham

Ibuki (In front of Gundham)

Akane

Teruteru

Peko (Behind Teruteru)

???

Mahiru (In front of ???)