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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.

Series Cast

  1. Gen Sato as Ganta Nakami (voice)

    Gen Sato

    Ganta Nakami (voice)

    13 Episodes

  2. Konomi Tamura as Isaki Magari (voice)

    Konomi Tamura

    Isaki Magari (voice)

    13 Episodes

  3. Haruka Tomatsu as Yui Shiromaru (voice)

    Haruka Tomatsu

    Yui Shiromaru (voice)

    13 Episodes

  4. Seiichiro Yamashita as Tao Ukegawa (voice)

    Seiichiro Yamashita

    Tao Ukegawa (voice)

    13 Episodes

  5. Lynn as Motoko Kanikawa (voice)


    Motoko Kanikawa (voice)

    13 Episodes

  6. Natsumi Fujiwara as Kanami Anamizu (voice)

    Natsumi Fujiwara

    Kanami Anamizu (voice)

    13 Episodes

  7. Sumire Morohoshi as Mina Nono (voice)

    Sumire Morohoshi

    Mina Nono (voice)

    13 Episodes

  8. Mamiko Noto as Usako Kurashiki (voice)

    Mamiko Noto

    Usako Kurashiki (voice)

    13 Episodes

  9. Sho Karino as Rui Haida (voice)

    Sho Karino

    Rui Haida (voice)

    13 Episodes

  10. View More

Full Cast & Crew

Last Season

Season 1

2023 • 13 Episodes

Season 1 of Insomniacs After School premiered on April 11, 2023.


(1x13, July 4, 2023)

View All Seasons

Insomniacs After School
Insomniacs After School


Original Name 君は放課後インソムニア

Status Ended


  • See more TV shows from TV Tokyo...

Type Scripted

Original Language ญี่ปุ่น


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  • Created by credit

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