Sullivan is apprehended by the Demon Border Patrol on suspicions of unlawfully entering the human world. He still hopes to somehow make it to the Battler Party to see his precious Iruma-kun... Meanwhile, Iruma had no idea what was going on with Sullivan and was preparing for his presentation for the Battler Party. After going through several ideas, they decide to create things called fireworks that are supposedly from the human world and they spend the night at school to create them. And so, began the fun sleepover for the MagiApp Battler kids.
I also think it'll be easier 
to experiment at night.
.أظنّ أنّه سيكون من الأسهل اختبار ذلك في الليل أيضًا
Ich denke auch, dass man das
am besten in der Nacht testet …
Creo que será más fácil
experimentar de noche.
Creo que será más fácil
experimentar de noche.
Ce serait plus facile
de faire les tests la nuit.
Penso che sarebbe più facile 
fare esperimenti di notte.
Acho que seria mais fácil
experimentarmos à noite.
И ночью экспериментировать проще.