Insomniacs After School

Nana Mori

Isaki Magari

Daiken Okudaira

Ganta Nakami

Yuki Sakurai

Usako Kurashiki

Minori Hagiwara

Yui Shiromaru

Kaisei Kamimura

Tao Ukegawa

Seira Anzai

Kanami Anamizu

Riko Nagase

Motoko Kanikawa

Honoka Kawasaki

Mina Nono

Haruka Kudo

Haya Magari

Yoichiro Saito

Isaki's Father

Tomoko Tabata

Mother of Isaki's Childhood Friend

Denden

Director of a Historical Archive