Things are finally going great for Karin Maaka. She's now officially going out with Kenta and she's even met another vampire who has similar problems to hers. However, her luck may not continue when her grandmother once again awakens from a long sleep. What will Elda Marker do when she discovers that Karin is not a normal vampire? And when Karin finds out the true reason why love between vampires and humans is taboo, will it destroy her relationship...