My Tavern, My Fortune, My Empire

Calvin Sawyer, a diner owner and history enthusiast from the 21st century, suddenly transmigrates into another world as the long-lost eldest son of the Sawyer family. After being reunited with his family, he faces constant scorn from his relatives, especially his jealous half-brother, who eventually drives him out of the household. Refusing to give up, Calvin opens a tavern of his own and unexpectedly befriends Empress Xena Layton, who is traveling incognito.