Mitsuiro Devil

From StarryHeaven: Hashiba Rin lives together with her grandpa. One day, while she was praying to the gods at a shrine, a devil calling himself Char appeared. Char who seeks the "blood of a virgin" is perverted, ill-tempered, and pompous. He isn't very straightforward, but the truth is that his kind touch is full of love, and while knowing an unforgivable a love before he knew it, his heart and body grew weak...