Solving Crimes Can Be Upgraded. Start with an S-Level Detective Card.

In a deformed world where countless crimes are committed, countless star detectives shine! You can level up by solving cases. The higher the level, the higher the power you get. The highest level detective can even mobilize all the violent machines of the entire world federation for a single case! Lin Wan comes through time travel and gets a detective card every month! Use it to gain its abilities! And if you solve the case, you can randomly draw one of its permanent abilities! Start with a detective agency that is about to go bankrupt. On a rainy night, a delivery boy came to my door... "I have a client. I delivered food to her for three months, but... Everyone said she died in a car accident half a year later!" Pure reasoning plot, no superpowers or ancient martial arts This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.