My Roommate Traveled Through Time and Became a Master Cultivator

[No system + mediocre protagonist + single female protagonist + no knife] As a fresh graduate, Lin Changqing was about to face the reluctance to part with his roommate. He thought that after finishing the breakup meal today, he would go his separate ways tomorrow. Just when a few people drunkenly walked to the traffic light intersection, an out-of-control truck hit them. When Lin Changqing woke up again, he found that he seemed to be in a different world, the legendary world of cultivating immortals. Before his rebirth, he was a person who didn't even dare to kill a chicken. What changes will happen after he comes to a different world? "Don't kneel down, don't bend your knees, I'd rather die standing than live on your knees!" "Boss, I don't want to become an immortal anymore!" "Some people say that happiness means cats eating fish, dogs eating meat, and Ultraman fighting little monsters. But I think happiness means doing things you like with the people you like. This is the greatest happiness in life." "Three feet of green peaks laugh at the sun and moon, and once you wake up from a dream, you will live forever." "With him here, why should I work hard? Because I know he will protect me." "What if he is not here?" "How can I beat someone who he can't beat?" [The introduction is weak, please read the text.