Ken Takagi once possessed everything: exceptional talent, professional aspirations, and an unshakeable confidence in his baseball future. A catastrophic shoulder injury during a pivotal high school match erased that path in an instant. Now an ordinary office worker, Ken suffers through daily reminders of his failure—watching his former teammates achieve professional success while he battles physical pain and emotional devastation. Fate intervenes unexpectedly. Ken discovers himself transported back to middle school, possessing an incredible advantage: the Major League System. This mysterious power offers genuine redemption. Equipped with systematic growth tools and a timeline reset, Ken can finally rewrite the mistakes that derailed his original life. The journey ahead demands more than physical training. Ken must reconstruct his confidence, strengthen crucial friendships, and master the Major League System's mechanics while navigating adolescence's unpredictable terrain. Each decision shapes his future. Every training session inches him closer to his dream—or further from it. With the system guiding his development and determination fueling his effort, Ken pursues a singular goal: becoming a professional baseball player. His quest unfolds through unexpected setbacks, triumphant breakthroughs, and profound personal transformation. Can systematic growth combined with unwavering resolve remake a shattered destiny? This is a story of resilience, redemption, and second chances. Through the Major League System's power and his own relentless drive, Ken confronts his past failures, rebuilds his present, and constructs the professional future he once believed impossible. Witness how determination and system-enabled growth can redefine one athlete's entire existence.