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.
The Manga is made in collaboration with the filmmaking group "We Are The Main Characters of OO!", modeling the characters after the group members.[1] However, difficulties in the organization between the group of YouTubers led to the announcement on October 16, 2024, of the series cancellation. The main storyline should conclude in the 22nd and final tankōbon volume.[2]