

55 minSeason 1 • Episode 10
Latest"Ouroboros" is an ancient symbol that depicts a snake eating its own tail - meaning infinity. Based on a popular comic, a clumsy detective and a cool gang stand up to true evil. Ikuo and Tatsuya grew up in a children's orphanage together. When their favorite teacher, Yuiko, is murdered, a policeman wearing a gold watch covers up the incident. Ikuo and Tatsuya promise each other to avenge their teacher someday. Twenty years later, Ikuo is a detective in Shinjuku second police station investigating various cases with elite detective - Mizuki, while smart and handsome Tatsuya has become one of the top members of a gang group.
Acting
Ikuta and Oguri's loaded silences say everything.
Direction
Orphanage flashbacks hit like emotional gut punches.
Writing
Moral complexity that actually earns its darkness.
Trivia, insights & behind the scenes
The title refers to the infinite loop of revenge — Ikuo and Tatsuya endlessly circling the same tragedy.
Adapted from a josei manga by Yūya Kanzaki, rare for crime dramas to target adult women with this level of emotional brutality.