Makai no Shuyaku wa Wareware da! (魔界の主役は我々だ！?, lit: "We Are The Protagonists Of The Demon World!") is a spin-off manga that is within the same universe of Mairimashita! Iruma-kun (Manga). It is written and illustrated by Osamu Nishi with Koneshima also as the author and co-illustrated by Atsushi Tsudanuma which is published in Akita Shoten's magazine Weekly Shōnen Champion.
Volumes and Chapters
|Volume 1||1-9||June 8, 2020||ISBN 978-4-253-22268-6|
|Volume 2||10-20||September 8, 2020||ISBN 978-4-253-22269-3|
|Volume 3||21-31||December 8, 2020||ISBN 978-4-253-22270-9|
|Volume 4||32-42||March 8, 2021|