Isagi Yuiko had always dreamed of becoming a professional soccer player. She was a talented and dedicated athlete, with excellent instincts and a love for the game that was unmatched. Despite her skill, however, Isagi had always felt like an outsider in the world of soccer, never quite fitting in with the boys who dominated the sport. That all changed when she got a invitation to join the Blue Lock, a new and innovative soccer training program that promised to change the game forever. Isagi was determined to prove her worth and join the program, but she knew that it would be a challenge that will change her life forever.