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!
You've sat around satisfied
with your rank for ages!
¡Ja! ¿Qué puede hacer alguien que 
se siente satisfecho con su posición?
¡Ja! ¿Qué va a ser digno alguien que 
se conforma con su posición?
Você sentou-se acomodado
 com o seu status por eras!