Renovation work has begun on his family's house, and Junichi is staying with his aunt Hibiki during the holidays. Junichi has a crush on the young and beautiful Hibiki, and is excited to be living under the same roof as her. However, Hibiki herself has a rather dull look on her face. While Junichi is secretly wondering about this, one day Hibiki tells him that his uncle has been cheating on him. Upon hearing this shocking truth, Junichi can't help but confess his feelings to Hibiki, but...