Amatsuka appears as a failed undercover investigation. The role of death row prisoner! Her parents and younger brother were killed by drug addicts, serially murdered for revenge, arrested and sentenced to death. However, a man from the Special Public Security Bureau, dressed as Tony Oki, visited a cell and said, "I will exempt the death penalty if you cooperate with the eradication of drug groups." "Your murderer's trick is to let the other person take care of you by color schemes and poisoning....