I don't know the name of the novel I have read before. The protagonist loved bullying at first, but later he became the boss of the gang. There are seven people under his command: seven killers, Pojun

I don't know the name of the novel I have read before. The protagonist loved bullying at first, but later he became the boss of the gang. There are seven people under his command: seven killers, Pojun and Wolf. "Dragon Head"-The author He Shuai told his father that his mother died when he was a child, and he always thought that his father died in a car accident when he was very young. At the age of nineteen, he entered the university according to his mother's intention, but he didn't know that since he stepped out of this step, he laid a century-old myth of the whole underworld, and the whole underworld was doomed to be lonely after him. ...