After Making a Contract with the Devil, I Opened a Tavern in Another World

[Easy Daily + Single Female Protagonist + System + Management] A relaxing and funny business story. The male protagonist traveled to a world full of contracted spirits and magic, and became a low-status illegitimate son. After accidentally signing a contract with the Demon King of the Fourth Heaven, in order to escape from the palace drama of his original family, he chose to open a tavern by himself and operate it with the help of the special permissions of the system. During this period, he also had to help the Demon King regain his power and cope with the pressure from his original family. Leah's Tavern Rules of Leah's Tavern. First: The door that enters the tavern is my guest. Second: Fighting is not allowed in the tavern. Third: Damaged items must be compensated according to the price.