The Law of Ueki is a Japanese manga and anime series created by Tsubasa Fukuchi. It follows a young boy named Kousuke Ueki, who is chosen to participate in a battle among candidates to become a new god. Each candidate is granted a unique ability, and Ueki's power allows him to turn trash into trees. The story revolves around Ueki's journey as he faces various opponents, learns about friendship, and discovers the true meaning of justice. Along the way, he is supported by his friends, including Rinko and Kanzaki, as they confront challenges and uncover the deeper implications of their powers.