Insomniacs After School

Insomniacs After School

Insomniacs After School

June 23, 2023
Directed by
Chihiro Ikeda

To keep using their school's abandoned observatory as a refuge, two sleepless high school students decide to revive the defunct astronomy club.

language Japanese

insomnia

romance

slice of life

school

based on manga

+5 more

Last Updated: November 10, 2025

Cast

Nana Mori as Isaki Magari

Nana Mori

Isaki Magari

Daiken Okudaira as Ganta Nakami

Daiken Okudaira

Ganta Nakami

Yuki Sakurai as Usako Kurashiki

Yuki Sakurai

Usako Kurashiki

Minori Hagiwara as Yui Shiromaru

Minori Hagiwara

Yui Shiromaru

Kaisei Kamimura as Tao Ukegawa

Kaisei Kamimura

Tao Ukegawa

Seira Anzai as Kanami Anamizu

Seira Anzai

Kanami Anamizu

Riko Nagase as Motoko Kanikawa

Riko Nagase

Motoko Kanikawa

Honoka Kawasaki as Mina Nono

Honoka Kawasaki

Mina Nono

Haruka Kudo as Haya Magari

Haruka Kudo

Haya Magari

Yoichiro Saito as Isaki's Father

Yoichiro Saito

Isaki's Father

Tomoko Tabata as Mother of Isaki's Childhood Friend

Tomoko Tabata

Mother of Isaki's Childhood Friend

Denden as Director of a Historical Archive

Denden

Director of a Historical Archive

Megumi as Isaki's Mother

Megumi

Isaki's Mother

Masato Hagiwara as Ganta's Father

Masato Hagiwara

Ganta's Father

Insomniacs after school Trailer

Insomniacs after school Trailer

Image Gallery

Gallery image from any3SmsYG2b4TYHUAVlbEmunrL2.jpg

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