After Iruma makes an offhand comment about wanting to understand demons better, his trusty magical ring casts a sneaky spell to make it easier. The only problem? It's turned the normally happy-go-(un)lucky Iruma into the devilishly dark Irumean! This spicy Iruma soon stirs up the Misfit Class and leads them into a crusade to claim the biggest prize on campus: the lost Demon King's personal classroom, the Royal One. Provided by publisher.

Translation of: Mairimashita! Iruma-kun. "First published in Japan in 2018 by Akita Publishing Co., Ltd., Tokyo"--Colophon. Pages numbered from right to left.