Fantasy: the Protagonists Are Everywhere, but Am I the Villain?

Lin Xianren traveled through the fantasy continent and his identity was invincible. My father is the Holy Land Lord. My mother is the eldest princess of the Holy Dynasty. Grandpa is the emperor of the Holy Dynasty. Grandpa is one of the strongest in modern times. ………… He has countless wealth, extraordinary talents, and incredible looks. However, Lin Daochen found that he seemed not to be the protagonist? A "mentally retarded" person who doesn't know his own cultivation? A man who taught the Heaven-defying Emperor? Is there a mysterious man with thousands of identities? And the master of Tianji Pavilion who has nothing to calculate? ………… Looking at the protagonist Lin Xianren, he said, "The pear is so big." This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.