Hisa and KRSG launched The Weakest Contestant in All Space and Time on Earth Star Entertainment’s Comic Earth Star website in march 2019, and ended it in July 2020.
Hisa is credited for the original story, Azuma draws the manga, and Kazunobu Gotō is in charge of editorial supervision.
Earth Star Entertainment released the manga’s second and final volume in August 2020.
Futaroh Yamada and Azuma launched the Keishichō Zōshi: Fūtarō Meiji Gekijō manga in Morning magazine in September 2021.