Volicia of Pluto: Vapor Trail Another Age 2006

Akio Hoshigami's life takes a significant turn after a leg injury forces her to abandon her track-and-field aspirations. She enrolls in high school along with her friend Ayano Umisoe. As Akio navigates new friendships and extracurricular activities, she begins to rediscover her personality. However, Ayano's sudden disappearance disrupts this progress, leaving Akio to cope with the loss.