In a Kaiju-filled Japan, Kafka Hibino works in monster disposal. After reuniting with his childhood friend Mina Ashiro, a rising star in the anti-Kaiju Defense Force, he decides to pursue his abandoned dream of joining the Force, when he suddenly transforms into the powerful "Kaiju No. 8." An action-packed recap of the first season of Kaiju No. 8 and a new original episode, Hoshina's Day Off.
Kaiju No. 8 , also known in English as Monster #8, is a Japanese manga series written and illustrated by Naoya Matsumoto. It has been serialized on Shueisha's Shōnen Jump+ online platform since July 2020, with its chapters collected in 15 tankōbon volumes as of March 2025. Shueisha has also published the series digitally on its Manga Plus platform in English and several other languages. Viz Media began publishing the series digitally in August 2020 and has published the series in print in North America since December 2021.
