A mysterious city, an organization with killers and mysterious special abilities.
Lu Shengqin, who has just been promoted to the rank of "Leg", is a top killer, closed-minded, devoted only to the organization, and is 100% loyal.
Tasks are taken one by one, and the accuracy achieved is: 100%.
He didn't have much personal thought, but when he climbed to the top, he suddenly had the right to be himself. He never thought that in addition to completing the task, he could also be an individual...