Betterman is a Japanese anime television series that blends elements of science fiction and horror. Released in 1999, the series follows the story of Keita Aono and Hinoki Sai, who become involved in mysterious events surrounding a powerful organism known as Betterman. As they confront terrifying foes and unravel dark secrets, they discover the true nature of their world and themselves. The series is known for its intricate plot, unique art style, and a compelling mix of suspense and action.