Lord Knight's Devil Farming System

Horn travels through a fantasy world and unexpectedly inherits the title and territory of his distant uncle. He thought he could live a comfortable life as an earl, but unexpectedly the letter from his family turned out to be a [Devil's Contract]. The territory is in debt and the people are in dire straits. There are powerful enemies outside, and moths are rampant inside. … "The coffers are running low and we need a way to make money." [Give a box of black horn potion seeds, but they can only be planted in wheat fields, which will lead to a reduction in food production] "The March period is approaching. I don't want to mortgage the salt mine. How can I repay the debt?" [Give an elite headless knight guard to destroy your creditors] "The daughter of the Duke of Steel Spine is engaged to me, but the gap between the two families is too great. The wedding is coming, how should I deal with it?" [Take the initiative to come to the door and ask for an end of the engagement. When the matter is accomplished, you will receive a mysterious reward] … In order to gain a foothold in this cruel world, Horn raised sacrifices again and again and prayed to the abyss.