Welcome to Demon School! Iruma-kun (2019)

S1E15 Kiriwo's Secret Room

As Iruma and his friends gear up for the Battler Party, the fireworks launchpad is nearing completion. Curious about Kiriwo, Iruma sets off to find him. Out of nowhere, his ring begins to pull him, leading him on a wild chase through Babyls until he stumbles upon a secret room. Inside, he discovers Kiriwo scheming away, working on an intriguing project. The mystery deepens as Iruma learns the true identity of Kiriwo's phone conversation partner. What secrets does Iruma uncover in this enigmatic space?