Insomniacs After School, Vol. 12: Volume 12
By (Author) Makoto Ojiro
Viz Media, Subs. of Shogakukan Inc
Viz Media, Subs. of Shogakukan Inc
18th February 2026
United States
General
Fiction
Graphic novel / Comic book / Manga: School / college life
Graphic novel / Comic book / Manga: Inspired by or adapted from other media
Paperback
192
Width 146mm, Height 210mm
160g
Two sleepless teenagers find kinship as they escape to their schools astronomy observatory.
Unable to sleep at night, Ganta Nakami is cranky in class and unpopular with his classmates. He discovers that the school observatory, once used by the now-defunct astronomy club, may be the perfect place for a napbut he's not alone. Fellow insomniac Isaki Magari is willing to share the observatory with Nakami, and a friendship between the two begins as they bond over the most unlikely things.
Magari and Nakami are preparing for the summer festival, the biggest event in town. The couple watches the festivities from the best seatsKurashiki Senseis family home. As midnight falls, Magari, Nakami, and their friends gather for a daring challengecrossing the seven bridges to fulfill the requirements of a romantic local legend
Makoto Ojiro began her career in manga as an assistant at the age of 19. Her Neko no Otera no Chion-san (Cat Temples Miss Chion) won the Bros. Comic Award in 2016. Insomniacs After School began serialization in 2019 and has been adapted into an anime and a live-action film.