The Most Powerful Son-In-Law of a Wealthy Family

He is a coward in the eyes of others and a disgrace among men. He is looked down upon when he enters his wife's family, treated like a dog, despised by his wife and disgusted by his mother-in-law. Until one day, an old man came to him and said, "Young man, as long as you nod your head, the inheritance rights of the No. 1 Family in Kyoto will be yours!"