I Just Want to Lie Flat in Ancient Times, but the System Forces Me to Build Infrastructure

Lin Xian was a “study slacker” at a top-tier university in his previous life, majoring in chemical engineering and materials science. He was well versed in math, physics, and chemistry, and lived by the motto, “Hard work doesn’t guarantee success, but not working hard sure makes life easy.” After transmigrating, all he wants is to laze around and live like a quiet, contented couch potato. Unfortunately, the System won’t let him.