Great Tang: I Built an Air Conditioner From the Start, and Li Er Refuses to Leave

[Official Announcement: The animated comic adaptation is now streaming on Hongguo! Enjoy!]

Other people transmigrate to the Tang dynasty and wear themselves out making gunpowder and cement or wiping out the Turks, working like oxen.

Su Chen transmigrates to the second year of the Zhenguan era and awakens the Divine Craftsmanship, Hundred Refinements (budget version). Finding the weather too hot, he casually uses it to make a fully automatic air conditioner.

From then on, everything changes. When Li Shimin, traveling incognito, pushes open Su Chen's door, he feels the chill of a Lunar Palace and sees the bronze cabinet billowing clouds of mist. His mind is blown. Li Er says, “Mr. Su, sell me this divine wonder! Would you take some of the treasures in the imperial treasury in exchange?” Su Chen rolls his eyes and wraps himself tighter in his little blanket. “No way. What treasure could be better than air conditioning?” Li Er: “...”

This is a laid-back story about a top-tier couch potato who only wanted to make life more comfortable for himself, but ends up using black technology to turn the Tang dynasty into a modern society and make the entire court green with envy.