Yuzu learns that Aki believes in Santa Claus, and does not want to let him down. During Christmas celebrations, Nana wants Aki to wear a feminine Santa outfit, and Nishiki wants him to be a shrine maiden for her store for New Year's. To ensure that Aki does not stay awake and realizes Santa is not visiting, Yuzu stays in his room for the night. In the evening, Matsuri visits to give Aki a Christmas present with Ayaka's help; half-asleep, Aki mistakes Ayaka for Santa...