Set in modern Japan, this is the story of vampire hunter Ronaldo, who enters the castle of Draluc, the immortal father of all vampirekind. Draluc, however, is actually the weakest vampire of them all, and he constantly dies and turns to ash! The missing children had already killed him several times, and destroyed his castle too, so he goes to live with Ronaldo in his office in Shin-Yokohama. Draluc and Ronaldo work together to solve vampire-related incidents all over Japan, but Draluc always dies at the worst moment…