Insomniacs After School, Vol. 12

By: Makoto Ojiro

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Paperback | 10 February 2026

At a Glance

Paperback
192 Pages

Dimensions(cm)
20.96 x 14.61 x 1.52

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Two sleepless teenagers find kinship as they escape to their school’s 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 nap—but 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 seats—Kurashiki Sensei’s family home. As midnight falls, Magari, Nakami, and their friends gather for a daring challenge—crossing the seven bridges to fulfill the requirements of a romantic local legend…

About the Author

Makoto Ojiro began her career in manga as an assistant at the age of 19. Her Neko no Otera no Chion-san (Cat Temple’s 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.

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