Roka works as an editor at a publishing company. His dream is to become a picture book writer someday. One Halloween night, Claire was missing after leaving his house for a while, waiting for Ashihana to return home to his riverside apartment. Claire, who met in a corner of the city on Halloween day when Ashihana was young, had a secret. He is a vampire. Even though he is an irreplaceable friend, he has a forbidden relationship. Will that life never get mixed up? “Boy Meets Vampire Story” with overflowing feelings!!