ホイッスル! [Hoissuru! / Whistle!]

A classic underdog sports manga from Shueisha, Whistle! ran from 1998 to 2003 across 24 issues and was defined by the work of creator Daisuke Higuchi. The series follows a young boy's determined journey to become a skilled soccer player despite his small stature and lack of natural talent. By focusing on perseverance, teamwork, and the passion for the game rather than flashy superpowers, it became a beloved entry in the genre, resonating with readers who appreciated its grounded, heartfelt approach to sports.