All Out!! is a sports anime series centered around rugby, following the journey of Kenji Gion, a determined but short high school student who joins the rugby team. Alongside his taller teammate, Iwashimizu, Gion strives to prove himself in the physically demanding sport. The series highlights themes of teamwork, perseverance, and self-discovery as the diverse team members work together to compete at the highest levels. The anime emphasizes character development and the spirit of rugby.