By Making Things Up, I Actually Became a Hero Who Saves the World.

Lin En traveled to a fantasy world, but was assigned a fantasy system. Distressed, he could only start making up random things in an attempt to deceive the system. But soon he discovered something was wrong: The technique he made up was actually practiced by the maid! The myth he created actually happened! The story he bragged about was completely consistent with the real world! … Even in the end, everyone thought he was the legendary savior! Faced with these bloody facts, Lin was on the verge of tears. I was really making all this up!