Renji rethinks his arrangement with Chihiro. Miyako walks out on Hiro. Kyosuke makes some major changes.

Renji is concerned with Chihiro's manuscript, Miyako refuses to leave Hiro alone, and Kyosuke gets Kei's attention.

Kyosuke's interest in Kei wasn't straightforward, Kei ruins Mikyako and Hirono's date, Renji and Chihiro sneak into the library.

After getting a significant amount of work done on the novel, Renji and Chihiro go for a walk on the beach where a misunderstanding causes Chihiro to run away in tears. Kei further sabotages Miyako's relationship with Hiro.

A depressed Renji reflects on his memories with Chihiro and begins to collect her missing diary pages. They meet again at the train station. Yuko and Yu reunite at the old church, and all is well for the other couples.

A flashback is shown with Yu, Yuko, and Kuze in their younger days as high school students. At this time, Yu and Yuko have not seen each other for ten years. In the present day, Mizuki is staying over at Renji's for the time being until she enters high school, and does not have much to do while Renji studies for exams. Renji's mother introduces Kuze to Mizuki, who discovers some of the things Renji was trying to warn her about him might be true. Mizuki and Kuze spend the rest of the day together, and the two become more familiar with each other.

In the past, Yu and Yuko run away together and eventually find a place to stay while Yu works. Yu runs into Yuko's brother one day and Yu stays out late that night thinking about what he said to him which causes Yuko to worry and go out looking for him. Yuko runs into her brother and he asks her if she wants to go home, and she nods in agreement. In the present, Yu and Nagi talk with Kuze, and try to make him see reason, but he only serves to get Yu and Nagi angry at him for what he says. Nagi tells Mizuki that she is probably the only one left who can save Kuze.

Everyone is spending time with their loved ones during Christmas, whether in Japan or Australia. Kuze survived the surgery and continues to live on with Mizuki. Yu hears from Nagi that Hiro said he talked with Yuko, and Yu heads back to Japan to meet up with her in the church. The two spend the rest of the night together, first at the church, and then at the school's roof to watch the sunrise. Yu and Yuko say their goodbyes and Yuko disappears, leaving behind a white feather.