They Call Me Useless, Watch This! — Episode 14

In the 1990s, the male lead is born very smart, but he pretends to be slow. He gives up his chance to go to school so his brother and sister can study. He stays home to help his parents run the pig farm. One day, he decides to go to the city to visit his brother and sister. But when he finds them, they look down on him with disgust...