Mairimashita! Iruma-kun

A human boy, Suzuki Iruma, struggles and grows in a Demon School chaired by the great demon of the Netherworld, Sullivan, who has made him his grandson.

Iruma faces his next ordeal-- He has to secure food from the gigantic jungle in the Netherworld, the "Harvest Festival"! Classmates will turn into rivals, and a battle of strength and strategy unfolds!?