After two weeks of doing choirs in Kouhei's Grandfather's antique shop, Hazuki asks him for a taste of blood. Not taking rejection lightly, Hazuki furiously prowls the streets for a victim to suck on. Her blood thirst leads to a chain reaction of ill-fated events. Can Hazuki live without using her magic on others?
— Description from Comic Vine community (comicvine.gamespot.com).
