Can you recommend an urban novel with an assassin as the main character?

I remember that the male lead came to the city under the old man's orders. He found an old friend and arranged for him to stay in the villa of his old friend's two granddaughters. The elder sister was the CEO, and the younger sister was a university student. The male protagonist was also in an ambiguous relationship with a mafia heiress, a scientist with the surname Shen, and the mayor's daughter. The male protagonist had a one-armed teenager following him. The male protagonist's weapon seemed to be called Mad Dog. He also had a lackey named Yuwen something.

Answer 1

😋I'm very confident in recommending to you the novel " The Super Killer is by Your Side." The main character is called " Zero ", and he was once the No.1 existence in the assassin world. After the accident, he returned to the city and became the King of Assassins. At the same time, he also pursued the position of Supreme. The author of this novel was Xun Qingyi. It was a novel about urban life. The plot was compact and the emotions were rich. I hope you like my recommendation.😗