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!
Finally, I can rid myself of that pesky demon!
¡Ahora ya me puedo despedir 
de ese asqueroso demonio!
¡Ahora podré mandar a tomar viento 
a ese asqueroso demonio!
Agora, sim! Uma maneira de me
 livrar daquele demônio irritante!