With Kou's confession as a catalyst, Futaba and Kou steadily shorten the distance between their hearts. Encouraged by Futaba, Kou also opens up honestly to Yoichi. Amidst this, Futaba and the others decide to go to the summer festival together. On the day of the festival, Yuriko appears in a yukata and actively approaches Kou. On the other hand, Toma Kikuchi (Ryosuke Sota), who came to the festival with his friends, reunites with Futaba and starts to be drawn to her positive attitude. As their feelings intertwine, Yuriko confesses her feelings to Kou.
At the end of the first year of high school, Futaba Yoshioka meets Kou Tanaka who was her first love. In their middle school days, they attended the same school, but he suddenly transferred to another school. Three years later, he appears in front of her again with the different last name of Kou Mabuchi. His personality also seems to have changed from warm to cold. He is like a totally different person from three years ago. Futaba Yoshioka slowly learns what happened to Kou Mabuchi for the past three years and she become to have feelings for him again.
