The Years of Retired Killer

After being abandoned by his parents, he was picked up by the boss of the assassin organization and trained as an assassin since he was a child. Assassination is by no means an easy task. It is a life-or-death job. If you fail, you will die or be killed. As an assassin on the line between life and death, I have survived for more than thirty years and continue to perform assassination missions. With the reward of getting out of my assassination career, I challenged the most difficult mission ever... I successfully assassinated a hero. As promised, I was released as a civilian by the boss who raised me. But I have only been able to assassinate since I was a child, and the life that follows will be a new and unfamiliar challenge... This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.