Though extremely popular in school, sports-loving Reo has never given romance a second thought. However, his seemingly normal life is thrown a curveball when art club president Aina begs him to be her new treasurer - and, to get his dad off his back about finance, he agrees. To complicate matters, Aina is his best friend's younger sister! Will Reo finally open his heart - that is, before his best friend can stop it?