Jurai is a fictional universe created by the Japanese author Masaki Kajishima. It is primarily known for its popular anime and manga series, including Tenchi Muyo!. The universe features a blend of science fiction and fantasy elements, focusing on themes of family, love, and adventure. In the Jurai universe, the central element is the powerful Jurai Tree, which serves as the source of energy and life for the Jurai civilization. The series explores the interactions between various characters, including humans and alien beings, as they navigate their relationships and face challenges in their lives.