I Became an Immortal Through Martial Arts in Da Qin

Li Lu, who just graduated from college, succeeded in sending himself away because of blindly practicing the martial arts secrets he picked up, so a great god in the world gave him a system that allowed him to travel back to the Warring States Period of China. Destroy the six kingdoms, kill the aliens, and start the Immortal Qin era! (This article is purely fictitious, please take a detour if you are interested in the party)