S01E01 Devil and Realist
William Twining is the orphaned son of the Twining family, one of Britain's oldest and most noble lines. When he learns his tuition has yet to be paid, he returns home to find the family...
Sytry remains at the academy to try and convince William to choose him over Dantalion. Fed up with the situation, William orders Dantalion to leave and never come back. Will he regret his decision when the academy is besieged with ghosts that very night?
A brilliant, skeptical noble accidentally summons a powerful demon and is forced to choose Hell's next ruler, while demons and angels battle for his nomination.