The 8th Son? Are You Kidding Me?

When the trading company office worker Ichimiya Shingo wakes up from his nap he finds himself in an unfamiliar world in the body of a five-year-old boy, Wendelin (Well), from the noble Baumeister family. Though he's confused at his new surroundings, he's reassured to learn that he won't have to worry about food as a noble's son, but then he learns that he's actually the eighth son of a poor noble family in remote lands.