Given

Two people meet each other after missing the last train home, leading to a beautiful relationship over five years.

In their last year of high school, two girls in the brass band club perform a song inspired by a fairy tale that parallels their friendship.

At Kichijōji Station, Tokyo, Taku Morisaki glimpses a familiar woman on the platform opposite boarding a train. Later, her photo falls from a shelf as he exits his apartment before flying to Kōchi Prefecture. Picking it up, he looks at it briefly before leaving. As the aeroplane takes off, he narrates the events that brought her into his life...

Plagued by a seemingly endless stream of haunting dreams, Tomoya drifts through life with an almost overwhelming sense of anger and emptiness. Then, one fateful day, he meets the mysterious and beautiful Nagisa, and his world begins to change. While helping Nagisa revive the defunct Drama Club at their high school, Tomoya discovers that she has the same dreams. Their story starts beneath the cherry blossoms, but where will fate lead them?