Prince Beelzebub lives a charmed, albeit lonely existence in the afterlife. In a realm where darkness looms and secrets lurk around every corner, he finds himself constantly facing new challenges that can unravel the very fabric of the reality he has worked so hard to build. Adelaide is a rich, independent girl who prefers her time with her cats and her books over anything to do with money. She spends time with her few friends and manages to sneak her way into Beelzebub's life without her even knowing it. When she finds herself facing her mortality much sooner than she expected, Beelzebub is there to hold her hand afterward. Join the enigmatic Prince of the Afterlife and the bookworm Adelaide as they both seek to reveal the truth about their friends and themselves in this romantic fantasy debut.