The Belated Concern Is Worthless Than Grass, I Want to Kill and Become a King

[It may develop slowly in the early stage, but after chapter 30, it will kill the world! Qin Xingchen traveled to the world in the book, where monsters and humans were constantly attacking. His father is the Northern Marshal, one of the four great marshals of the human race, and his mother is the number one swordsman of the human race. But the parents all favored their son, and as the young master of the Qin family, he didn't even practice any martial arts. It can be said that his father does not love him, his mother does not love him, and he has a good brother who wants to kill him all the time! After unlocking the system, will the mortal world become an immortal? No, choose to kill and become a master! Qin Xingchen directly transformed into the God of Killing, killing the monsters to the point where no one in the human race dared to respect him! But what he didn't expect was that his parents gradually saw through the hypocrisy of their adopted son, began to regret their actions, and wanted to compensate Qin Xingchen, their biological son. "Sorry, we have nothing to do with each other for a long time. If we say more, one word: kill!"