Detective: I, the god of reasoning!

There has always been an enigmatic genius in the global detective world.
The boy prodigy, the mad detective, and the god of reasoning are all code names given to him by the outside world.
Qin Feng: He is my idol. He let me know that there are perfect crimes in this world.
KIKO: It's funny, I asked him to help me investigate a case, and the reward he asked me for was actually a year of life.
IVY: Genius is always crazy, he is a rare opponent.
Noda Hao: He is like a god when he solves...