The Wardrobe Connects the Past and Present. I Am Guarding a Village in Ancient Times.

Su Ran accidentally entered the ancient times through the wardrobe, and at the same time he also learned about today's world. The imperial power is corrupt, disasters are everywhere, wars are everywhere, and the villagers' living environment is difficult. He plans to use his advantage of being able to travel between two places to help the villagers build tunnels to avoid the war and protect a pure land.