Hana has a meltdown at the café because Shinichi does not call her by her first name, although he does with other people and he called Yanagi by her first name not ten minutes after they met. Back home, Yanagi tells her mother about her meeting with Shinichi, making Tsuki spiral down into further misunderstandings. Kiri is stressed studying for exams and lack of physical activity. As such, he goes to exercise at the gym where his father works to cheer himself up. However, when Shinichi also shows up, Kiri ends up feeling completely outclassed.

It's Christmas Eve, and Hana finds a way to spend it with Sakurai at her home. He's introduced to her father Fujio, who knows him from somewhere...