Akebi Komichi has been accepted into Roubai Academy, and has dreamed of wearing the school's sailor uniform ever since she saw her favorite idol wearing one. But on the first day of school, she notices that the other students are wearing blazers

After Komichi completes the fifty-meter dash with the fastest time in her class, several athletic clubs try to recruit her. but Komichi can't decide which club she wants to join because there are too many things she wants to try.