Episode 5

Tomaru Yuto (Nakazawa Motoki) found Tumen again (Natoto Fujiki) and made an appraisal request.The content of this commission is: I hope to prove that the death of Kawa Sei (Ayuna Ikeda) who was found dead by the river was killed.Based on the situation of the scene and the body, it was originally concluded that the cause of death was drowning, and the possibility of homicide was ruled out.But Dumaru understands Cui's life experience, so he judges that he is extremely likely to kill.

Two years ago, Tomaru had interrogated him because he suspected that President Seiji Murota (Sano Go) and Sei attended a party together.No drug reaction was detected at that time, and the evidence was insufficient, so Murota Kazui was unable to be arrested.Later, Cui Zeng attempted to commit suicide. Although she was rescued by chance, she was about to leave Murota at the time.In the eyes of Tomaru, who has been accompanying and taking care of Cui, this time was not an accident, but it was related to Murota.However, the police investigation still found no traces of drug use on Cui's body...

Tumen then went to Kesouyan and asked Oto (Yako Matsuyuki) to conduct a precise test of Cui's specimen.When Oto was quite flattered when he heard Tumen say % you are the person I trust the most, he finally agreed to the test.The next day, Oto reported that a certain dangerous drug that could not be detected in the drug test kit had been detected.After hearing this, Tomaru immediately concluded that Murota was related to the matter and again begged Tom to find conclusive evidence of Cuita's killing.So, Tumen decided to try to detect plankton in the residual water samples in the Qing's lungs and stomach...