An official *Mairimashita! Iruma-kun* anthology series, featuring stories of Iruma Suzuki and his friends as students of Babyls Demon School.

Hayato Tokai, a high school student who moved to the depths of Shikoku due to the circumstances of his parents and moved by mistake to a school where only youkai go to, "Kairou Branch School Death Country School". Only youkai who are local in Shikoku, which are almost unknown nationwide, go there.