Lord: My System Can Unlock Technology!

The obedient little maid, the noble lady in the caravan, the female elf owner in the tavern, the kind little witch with a broad mind, the arrogant and desolate princess who endures humiliation, the countess who is overflowing with maternal love... Li Wei opened his eyes and found that he had traveled to a fantasy world. The only people loyal to him were the maid and the old housekeeper. Thanks to the acquisition of a system that can provide technology, the bad situation has been changed. [Navigation Technology], [Improved Agriculture], [Wheel and Axle], [Gunpowder], [Steam Power], [Chemistry]... This is a fantasy world of magic, knights, dragons, and witches, and everything starts from a small viscounty.