Welcome to Demon School! Iruma-kun (2019)

S1E14 The Battlers' Presentation

Sullivan finds himself caught by the Demon Border Patrol, who suspect him of illegally crossing into the human realm. Despite this setback, he remains determined to reach the Battler Party to reunite with his beloved Iruma-kun. Meanwhile, Iruma is blissfully unaware of Sullivan’s predicament as he gears up for his presentation at the party. After brainstorming various concepts, the group settles on making fireworks inspired by the human world. They end up spending the night at school, leading to an exciting sleepover for the MagiApp Battler kids.