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!
I thought I'd come across an
underclassman with some promise.
Pensaba que había encontrado un 
alumno de grado inferior prometedor.
Pensaba que había encontrado un 
alumno menor muy prometedor.
Pensei ter cruzado com 
alguém experiente e de valor.