Yuichi finds Mai Kawasumi in battle at night in the school building. Following an incident at lunch with a stray dog the next day, he joins her for lunch. After school, he joins Ayu in her search for a precious object, with no results. That night, he brings Mai some dinner.

Yuichi learns about Shiori’s condition and Kaori’s silence. Prompted by Nayuki, Yuichi spends an entire day with Shiori, forging happy memories.

Yuichi remembers what happened to Ayu, seven years ago, as well as the thing she was searching for—a little angel doll. Nayuki, Kaori, and Jun help him unearth the doll. Akiko is hit by a car in a blizzard. Ayu, in order to let Yuichi use the doll, asks him to let her go as a final wish.