The True Young Master Returns, Driving the Whole Family Crazy

Everyone believed that the legitimate young master, lost outside, had long died in a foreign land, and the family lived in daily torment. Until he, missing for years, stepped back into the household. Decades of suppressed despair instantly collapsed, and as the news spread, the entire clan went completely insane. Having bided his time for years, he returned in hiding. All the past humiliations and blood debts, he would settle one by one. — Description from novelcodex.org