While Everyone Else Trains Through Hardship, You Bind Yourself to an Empress and Ascend to Immortality?

He transmigrates into a fantasy world. Li Che awakens the Senior Brother Development System. Whenever his junior brothers and sisters cultivate, he receives a hundredfold return. “Junior Sister, you can have this spirit pill. I don't like taking them.” “Junior Brother, take this treasured sword. I'll make do with my old one.” “Master, I made a few alterations to your underwear...” “You just focus on cultivation. Killing, dueling, chores, cooking... Leave all those little things to me!” “...” Junior Sister: “Senior Brother treats me so well. I must repay him with my hand in marriage!” Junior Brother: “Honored adoptive father, accept this bow from your junior disciple!” Master: “A romance between master and disciple? We absolutely cannot do that!”