© 2026 The Couch Critic
Status
Ended
Release
2023 - 2023
Seasons / Eps
1 / 13
Streaming availability by country
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.
51 Cast Members
Gen Sato
Ganta Nakami (voice)
13 Episodes
Konomi Tamura
Isaki Magari (voice)
13 Episodes
Seiichiro Yamashita
Tao Ukegawa (voice)
10 Episodes
Lynn
Motoko Kanikawa (voice)
10 Episodes
Natsumi Fujiwara
Kanami Anamizu (voice)
10 Episodes
Sumire Morohoshi
Mina Nono (voice)
9 Episodes
Mamiko Noto
Usako Kurashiki (voice)
8 Episodes
Sho Karino
Rui Haida (voice)
8 Episodes
Konomi Inagaki
Female Student (voice)
5 Episodes
Takuya Tsuda
Male Student (voice)
6 Episodes
Haruka Tomatsu
Yui Shiromaru (voice)
7 Episodes
Ikuto Kanemasa
Ken Hakui (voice)
5 Episodes
Aya Suzaki
Young Ganta Nakami (voice)
3 Episodes
Yuu Kawada
Police Officer (voice)
1 Episodes
Bianca Ogura
Woman (voice)
1 Episodes
Yohei Matsuoka
Male Student (voice)
2 Episodes
Haruna Terada
Young Woman (voice)
1 Episodes
Hidenobu Kiuchi
Ganta's Father (voice)
3 Episodes
Arisa Nakada
Female Student (voice)
2 Episodes
Shou Okumura
Radio Voice (voice)
1 Episodes
