Hiiro Ouji
Alternative title: Bloody Prince, Scarlet Prince, Scarlet Vampire
Story Overview
From Nevermore Scans: In order to capture the vampire lurking in the school, Mana the exorcist transfers in. Okamoto-kun, the vampire in question, is one who has changed with the times and gets on by blood transfusions! Mana is left dumbfounded by the carefree, easy-going vampire!