Aposimz

 is a Japanese manga series written and illustrated by Tsutomu Nihei. It has been serialized in Kodansha's "shōnen" manga magazine "Monthly Shōnen Sirius" since February 2017.
Publication.
"Aposimz" is written and illustrated by Tsutomu Nihei. Nihei published a one-shot in Kodansha's "seinen" manga magazine "Weekly Young Magazine" on May 9, 2016. In November 2016, it was announced that the manga would be serialized in "Monthly Shōnen Sirius", being the first time that Nihei would publish a manga in a "shōnen" manga magazine. The series began in "Monthly Shōnen Sirius" on February 25, 2017. Kodansha has collected its chapters into individual "tankōbon" volumes. The first volume was released on May 9, 2017. As of November 9, 2020, seven volumes have been released. Kodansha also started publishing a full-color edition of the series on November 8, 2019, and two volumes have been released as of November 9, 2020.
The manga is simultaneously published in English by ComiXology and Crunchyroll Manga. In November 2017, Vertical announced that they would release the series in print. The first volume was released on October 9, 2018.
Reception.
As of February 2018, the manga had 250,000 copies in circulation.