Villain: Perpetrator Chase Investigation(2019)

Villain: Perpetrator Chase Investigation is a Japanese drama series following Shuichi, a former detective now working at a private agency, who takes on a case that cuts close to home. A grieving couple hires the agency to locate Sakagami, the man who killed their son and served time in a youth detention center. As Shuichi investigates, his own painful past resurfaces—his sister was murdered when he was a child. The couple asks him to uncover materials that might help them decide whether forgiveness is possible. Caught between duty and personal trauma, Shuichi must confront the ghosts of his past while pursuing a killer, blurring the lines between justice and vengeance in this tense investigation.