Izakaya Lord's House

As soon as Ralph Dawson, the only son of a duke, graduates from academy in the royal capital, his parents, who have retired as lords, leave him in charge of running the manor. Although Ralph doesn't have the perks of reincarnation, he uses his knowledge from his previous life to handle the enormous amount of work for the lord in no time, and with his extraordinary clerical skills, he is able to complete the lord's affairs in no time. Furthermore, in this other world with little entertainment, he is immersed in the study of magic, and is a mage who is highly regarded by the Tower of Sage. Ralph finishes work so early that he has too much free time every day, and realizes that there is no place to have a quick drink after work. Then he has an idea. "Why not just open a tavern yourself?"