Ayaka and Kenichi have been close since childhood. Ayaka stayed in her hometown, while Kenichi moved to Tokyo for work. Meeting again for the first time since their Coming of Age ceremony, the two are both aware of each other, along with nostalgia. This is because as they reached adolescence, they became aware of each other as members of the opposite sex... However, neither of them wanted to ruin their friendship, so they grew up without expressing their feelings, and before they knew it, they had grown apart. They spend time together for the first time in a long time. A fireworks display that gets their emotions up. How will this unrequited love turn out?