Murder Notes

The story

A movie star and two business CEO's died one after another in "S" city, and the causes of their deaths were very strange. What is even more bizarre is people report that a dark shadow appeared at the scene of these three murders. As a result, the S City Criminal Investigation Brigade quickly launched an investigation. Among the suspects are the richest female in S City, cynical rich second generations businessman, and some bastard at the bottom of society...