Due to a certain incident the protagonist lived his high school days in black and white. Now he begins a new life in college in the cherry blossom season and meets new people. An occult girl chasing a ghost, a literary girl who longs for the outside world, a skipping genius girl from the United States, a girl who plays bass on the riverbank... They too were tied up in the past.

Youth that remains stationary.

At that time, a woman appeared in front of them.

"Let's go get youth back"

With her words as a trigger, the moment she kept for a long time begins to move.