Dangerous Sniper Games in the Afternoon (Sniper Series) Gentosha Rutile Library

Product description ※Please note that product information is not in full comprehensive meaning because of the machine translation.

Dai Sato Fang, a private detective, is surrounded by Kamonnojo, a killer, but the relationship remains ambiguous.
The wife of Kanazono's older brother, who has been a friend of mine since she was a police officer, asked her to investigate her husband's affair. She went to a hotel. The beautiful woman she an affair with was the Hong Kong mafia, Lin Hui.
Amazing big fang. If Kamon doesn't come back to Hayashi from Hayashi, the phone calls to kill people around the big fang. The big fang calls Kamon.
How is the relationship between the killer and the detective progressing?