The Shadows of Mountains Reflected in the Lush Green Sky

25-Year-old Kageyama was hit by a ball during training and lost nearly ten years of memory. How should he face these "friends" with a 15-year-old mind? Kageyama: Ah, so do I have friends in the future? Did it turn out that I was already standing at such a high place to play ball? Reconcile, no matter which you, no matter which I. Purpose: Face life bravely