On the day Song Yu moved into her new place, she was bitten by a beautiful lady vampire who was sealed within the strange stone statue in the yard. Verelle was awakened by the mysterious power within Song Yu, and her desire for blood made her instinctively bite Song Yu. Now she will make Song Yu do her bidding, by tempting her with money. This is the start of a cohabitation life between two girls who don't get along with each other.