Insomniacs After School
Insomniacs After School
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Insomniacs After School

7.6
Yr 2023
Rt 24m
Status Ended
Animation Comedy Drama
Series Brief

Overview

Ganta Nakami is a high school student who suffers from insomnia. He meets Isaki Magari, a girl with the same condition. A relationship forms as they share a secret and catch up on their sleep in their school’s abandoned observatory.

Why fans love it

Insomniacs After School grounds its romance in the quiet reality of chronic sleep deprivation. By focusing on two students who find solace in the stillness of an abandoned observatory, the series moves away from the typical frantic energy of school dramas. It treats the shared condition of Ganta Nakami and his classmate not as a plot device but as the primary language through which they navigate their isolation and growing connection.

The animation style complements this nocturnal atmosphere, capturing the specific, hazy feeling of long nights spent awake. While romantic tropes exist within the story, the underlying concern remains the physical and emotional toll of being tired in a world that operates on a regular schedule. Gen Sato provides a performance that anchors the series in a fragile, authentic uncertainty. It is a deliberate, calm examination of how two people find stability in an environment that otherwise keeps them restless.

Featured Players

Cast 51

Shinya Takahashi
as Teacher (voice)
1 episode
Takako Tanaka
as Female Student (voice)
1 episode
Mayuko Kazama
as Female Student (voice)
1 episode
Yoko Soumi
as Softball Club Advisor (voice)
1 episode
Riho Sugiyama
as Female Student (voice)
1 episode
Atsushi Tamaru
as Senpai (voice)
1 episode
Kouichi Souma
as Principal (voice)
1 episode
Konomi Inagaki
as Female Student (voice)
8 episodes
Gen Sato
as Ganta Nakami (voice)
Konomi Tamura
as Isaki Magari (voice)
Daisuke Nakamura
as Radio Voice (voice)
1 episode
Shou Okumura
as Teacher (voice)
2 episodes
Hana Hishikawa
as Female Student (voice)
2 episodes
Seiichiro Yamashita
as Tao Ukegawa (voice)
10 episodes
Yohei Matsuoka
as Male Student (voice)
3 episodes
Chiwa Saito
as Motoko's Mother (voice)
1 episode
Juri Nagatsuma
as Female Student (voice)
1 episode
Emiri Suyama
as Female Student (voice)
1 episode
Rin Kusumi
as Female Student (voice)
1 episode
Tomoyo Takayanagi
as Female Student (voice)
1 episode
Show all 51 cast
Minami Iinuma
as Female Student (voice)
1 episode
Nao Ojika
as Female Student (voice)
1 episode
Yuu Kawada
as Police Officer (voice)
3 episodes
Takuya Tsuda
as Male Student (voice)
7 episodes
Arisa Nakada
as Female Student (voice)
2 episodes
Mika Kanda
as Home Economics Teacher (voice)
1 episode
Yuki Ito
as Male Student (voice)
1 episode
Yuki Terui
as Male Student (voice)
1 episode
Go Imakiire
as Man (voice)
1 episode
Hayato Kashiwazaki
as Man (voice)
1 episode
Tomoya Ito
as Man (voice)
1 episode
Bianca Ogura
as Female Student (voice)
3 episodes
Haruka Tomatsu
as Yui Shiromaru (voice)
7 episodes
Lynn
as Motoko Kanikawa (voice)
10 episodes
Natsumi Fujiwara
as Kanami Anamizu (voice)
10 episodes
Sumire Morohoshi
as Mina Nono (voice)
9 episodes
Mamiko Noto
as Usako Kurashiki (voice)
8 episodes
Sho Karino
as Rui Haida (voice)
8 episodes
Sora Amamiya
as Haya Magari (voice)
2 episodes
Haruna Terada
as Young Woman (voice)
3 episodes
Ikuto Kanemasa
as Ken Hakui (voice)
5 episodes
Hidenobu Kiuchi
as Ganta's Father (voice)
3 episodes
Megumi Toyoguchi
as Isaki's Mother (voice)
2 episodes
Yuri Hinami
as Woman (voice)
2 episodes
Sayaka Ohara
as Ganta's Mother (voice)
2 episodes
Saeko Akiho
as Vice Principal (voice)
2 episodes
Kumiko Nakane
as Teacher (voice)
1 episode
Aya Suzaki
as Young Ganta Nakami (voice)
4 episodes
Tomomi Tanaka
as Audience Member (voice)
1 episode
Mitsuki Nakae
as Mother (voice)
1 episode
Mirii Saito
as Child (voice)
1 episode
Production Board

Crew

Signal Match

Crew Similarity

Keyword Cloud

Keywords

insomnia romance slice of life school based on manga illness astronomy seinen anime school club sleep disorder affectation romantic