"Housekeeper wanted. Daily wage 20,000 yen. However, only for those without a partner." Attracted by the high salary, high school student Minato applied for a suspicious live-in part-time job. At the interview, he met his master, Henri, who is arrogant, haughty, and handsome. He was actually a vampire whose food was the living blood of virgins! However, Henri, who is bored with life, does not want to drink Minato's blood. Unable to bear it any longer, Minato makes a contract with him to let him drink his blood, saying, "I'll put up with it if it's once a day"...!? A mysterious love story with a 400-year age difference brought to you by Fresh Collaboration! Also includes a specially drawn bonus story, "Worries about the Attached Bat"!!