The Life of a Son-in-Law in a Courtyard House

Courtyard house + single female lead + non-aggressive + humorous + lighthearted
People transmigrate every day, and today it's finally my turn. Others start with a system that takes them to the heavens, but Yang Dalin starts with his whole family being sacrificed to the heavens and then taken in by a widow. Now he has two choices: become a live-in son-in-law or become a godson.
In this time of famine, in order to survive, Yang Dalin took one look at the girl who looked exactly like Sister Yan Yan and made a decisive choice...