After Reading Minds, the Real Young Master Becomes the Family's Darling by Giving Up

He transmigrates into the real young master of a wealthy family, who was raised outside the household, and binds himself to a Truth System. Whenever someone misunderstands or mocks him, they're forced to hear his inner thoughts. He plans to keep a low profile and get revenge, but his sharp, hypocritical inner commentary gradually wins over his family and the villains, and he is forced to become everyone's darling.