1x18 - Welcome to Demon School! Iruma-kun

Kiriwo’s plan to destroy Babyls continues to move forward. Iruma somehow made it to the hidden room. Kiriwo looks completely different than what Iruma is used to, and Kiriwo proclaims that he’s going to use the fireworks that the Magic Apparatus Battler created to blow Babyls up... Kiriwo then tells Iruma about his childhood. Iruma sees the true demon side of Kiriwo. Will he be able to save Babyls from this crisis?