Dantalion, one of the many candidates for Lucifer's throne, decides to live in the human world an attend William's school and lobby the young noble to choose him as Hell's ruler, but he gets more than he bargained for when William's friend Isaac accidentally summons one of his competitors!
Your human sports are so
easy, I'm getting bored!
¡Los deportes humanos son tan 
fáciles que me resultan aburridos!
¡Los deportes humanos son tan
sencillos que me aburro y todo!
Esse seu esporte humano é tão 
fácil que chega a ser chato!