Three Kingdoms: I Was Tricked into Becoming an Emperor

I'm so miserable! As soon as he traveled to the Three Kingdoms, he was fooled into becoming the emperor. My tutor sells dog-skin plasters, my Lu Bu is an imposter, my mighty general is a fool, and even the heroine dreams about going up to the mountain to become the leader of the village all day long. What do you think I should do? Waiting online, urgent!