What Happened When I Traveled to Another World and Ended up with No System?

Li Fei was a gangster in his previous life. He was killed by his enemies with a dump truck because he did too many immoral things. He traveled to another world and became the son of a nobleman. In this world, there are magic, alien beasts, other races, and a villain fiancée who loves him. Do you want to see how Li Fei survives in a different world? Do you want to know how he became stronger step by step and reached the top of the world? I want it too This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.