Kanata, a member of the Takanozaki cheerleading team, is unable to perform after an accident during a competition. One morning, she encounters a girl named Suzuha, who is leaping across rooftops and walls.

The quiet and unsociable Suzuha secretly admired Shion, whom she met at the entrance ceremony. While following her admired Shion around, Suzuha overheard Shion's singing...