Love X Devil
Hot apprentice-Devil just made a contract with a gormless college kid of three wishes in exchange for his chastity. Since this is a battle over gormless college kid's soul and Screwtape's flame-free living quarters, I expect there will be some drawback to this arrangement that shows up ... eventually? So far, there doesn't appear to be any.
Koakuma wa Ore no Iinari
Bored porno star meets blushing, virginal incubus. Yes, you read that right. Why isn't he impressed?
Henshokuka no Kawaii Akuma
Michiru, a dream-eating demon, gets caught by Taiga, the target of his hunger, who clearly misunderstands why he's always floating around.
Datte Maou-sama Wa Kare Ga Kirai