第 4 集: 京介與玲約會，DCD調查新型毒品，真琴面臨警方盤問
2019年10月28日 播出
Kyosuke takes Rei out on a few dates and the DCD continues their investigation on the new drug they confiscated. Meanwhile, Makoto gets taken in by the police for questioning regarding an old case which causes trouble for both Tsuduki brothers. (Source: TVMAZE)