Takaki and Akari were classmates in elementary school, and during the days they spent together day and night, they gradually became each other's closest friends.During those innocent years, laughter, secrets and dreams flowed quietly between the two, as if time would never separate them. However, fate quietly took a turn.Because of his parents’ work, Akari had to move his family to another city far away.On the day of parting, the sun was still gentle, but there was an indescribable heaviness in the air.The first time the two children felt that the distance between hearts could be so long by time and space. Although they promised each other to be friends all the time, letters and phone calls became less and less as time went by.Life comes like a tide, diluting the memories of being with you every day.And for Takaki, that concern is always hidden in the softest part of his heart. Until one day, he learned that he would move to a further city, away from everything familiar.At that moment, he suddenly realized that maybe he would never have a chance to meet Akari again.So he made up his mind to see her again before everything was completely dispersed, even if it was only the last time. This is a story about growth, distance and farewell, and it is also a story about the unspeakable emotions when I was young, which quietly echoed in the depths of time.