After losing her parents, middle-school girl Usagi Makio becomes completely alone in the world. Chased by yakuza, debt collectors, and every kind of danger imaginable, she runs for her life— until she is rescued by Wolfzuka, a track-and-field coach. Wolfzuka sees extraordinary talent in Usagi’s full-speed sprinting. “Track and field exists to validate those who run away.” To survive, Usagi chooses to follow his coaching and dive into the fierce world of competitive athletics— a story of a girl swept along by harsh reality and a coach whose dreams once crumbled. A powerful ensemble drama about track and field, filled with struggle, hope, and raw emotion.