Oroka na Tenshi wa Akuma to Odoru

The Foolish Angel Dances with the Devil

Akutsu Massora is a demon who has infiltrated a high school in the human world. His goal is to find candidates to help hell in the fight against his natural enemies, the angels of heaven. He assigned a seat next to Lily Amarne, another student who transferred here not long ago, Akutsu falls prey to her beauty and decides to recruit her to her cause.

But there is more in Lily than it seems, and Akutsu is not only complicit in one of the same enemies who are supposed to defeat, but also could have developed feelings for her.