Second round of designing The Boy and The Prince! I quite like this version of The Boy's design so I'll probably use it somewhere else.
The short story was revised so that The Boy was a pretty boy, and The Prince a loud brat named Beelzebub, who always had flies around him. Whenever he blushed, the flies would burn into a crisp and a nearby human student would comment on the smell.
A goat demon, The Servant ("Amon"), was added — he would always be around Beelzebub, giving him outdated information about humans.