Kanako offers to help the new student council officer expose the secret of the newly crowned council president, little-miss-perfect Mariya. But, right in the middle of her plan, she breaks Mariya's grandmother's rosary. Things suddenly go cold between the two before Mariya's mother makes a surprise appearance. The childhood relationship between Kanako, Shizu, and Mariya is revealed! And while Ame no Kisaki is wrapped up in a Christmas mood, Mariya tries to solve the riddle that his grandmother began. What will happen between Kanako and Mariya? Find out in volume 14 of the high-tension love comedy's grand finale!