Ueki's Fighters is a Japanese manga and anime series created by Tsubasa Fukuchi. The story follows Kousuke Ueki, a young boy who possesses the unique ability to turn trash into trees. He participates in a tournament where contestants, known as Ueki's fighters, compete for the chance to become a new god. Each fighter has their own special powers, which they use in battles against one another. The series explores themes of friendship, determination, and the importance of using one's abilities for good. As Ueki and his friends face various challenges, they learn valuable lessons about teamwork and self-discovery.