In ancient times, she was a god in predicting events. She could calculate everything in the world with a tortoise shell. In order to become an official, she disguised herself as a man and became a well-known ruthless counselor around her lord. But for some reason, when she woke up, a thousand years had passed, her old friends had become history, and she became an ordinary... Female college student. Suddenly one day, she meets a pistol player who looks exactly like her lord. The divination shows that as long as she helps him win the shooting competition, she can go back to the past thousands of years. However, the counselor never expected that the master, who was only 25 years old, would have Parkinson's disease...
He, the "killer", specializes in solving problems for his employers.
One day, he met a psychopath and had to force him to "reform" - to train him to become a world shooting champion.
