Into Xuancheng Xianxian, From Not Being A Son-In-Law

[Easy + no knife + son-in-law (pseudo)] Xu Nian traveled to the fantasy world and became the illegitimate son of the Da Yan family who rejected him. He lived with his mother in a remote mountain village.On the day when he turned twenty, his biological father, who was born rich and honorable, sent someone to find him, and broke the ordinary life of Xu's mother and son in the mountain village.According to the laws of the Great Yan, those who marry into the family are considered lowly, and they are not allowed to be official, not to be famous, and not to join the army as a general. Xu Nian has kept a low profile for twenty years, but he is not waiting for the fate of marrying into a son-in-law![Ding dong! The first selection of "Twenty years of low-key, from east to west!" has been completed, and the system is officially activated! 】【Distributing Mo Bullying Youth and Poor Large Gift Bag...】"All these years, I have been waiting for the system to activate, what are you waiting for?"In the four hundred and seventy-third year of the Datong calendar, the abandoned son of the Xu family once attained the Tao, entered the porch, was destined to be robbed, and never fell into the mortal world!