Akuma-kun — S1 E1 - The Invisible School of the Underworld!!

Shingo Umoregi is a boy who is so obsessed with demons that he has earned himself the titled of “Akuma-kun” (Demon Boy). He has tried many times to summon the superstar of the demon world, Mephisto with many failed attempts. However, when a mysterious demon kid shows up in the human realm, he befriends Akuma-kun. […]