Ouroboros

"Ouroboros" is an ancient symbol depicting a snake eating its own tail, representing the concept of infinity. Based on a popular comic, the story follows a clumsy detective and a cool gang as they confront true evil. Ikuo and Tatsuya grew up together in a children's orphanage. When their favorite teacher, Yuiko, is murdered, a policeman wearing a gold watch covers up the incident. Ikuo and Tatsuya promise each other that they will avenge their teacher someday. Twenty years later, Ikuo is a detective at the Shinjuku second police station, investigating various cases alongside the elite detective Mizuki, while the smart and handsome Tatsuya has become one of the top members of a gang group.