Ryoma Echizen, a 12-year-old tennis sensation, boasts an impressive record of four consecutive American Junior Tennis titles. He relocates to Japan and enrolls in Seishun Academy Middle School, also known as Seigaku, where he dedicates himself to leading the school's tennis team in high-stakes matches against other middle schools.

Ryoma Echizen, a 12-year-old tennis sensation, dominates Sasabe, the school's...