In his seventeenth birthday, Amamia Cat was going to invite his classmate Mosor Chori on a date. Unfortunately, he dies in a car accident, but he is given a second chance to return to the world of living in the borrowed time. Enter the competition called 13 Game, where other people, such as a cat who had to die, return to the world and get a choice: to find and kill 13 other players or comprehend the fate of death. Each player is appointed handler, mysterious creatures with special abilities that use them as if they were characteristics of video games. A cat handler Merum explains that there are such players throughout the country, as he, each with a unique ability, which helps them to kill, and the cat must kill 13 players for 1 year. With his skill of demonic hands, he was inspired by his hobby of magical tricks,