Isekai Risshiden

Isekai Risshiden, also known as Different World Success Story and 異世界立志伝, is a captivating Japanese web novel that follows the story of a middle-aged salaryman who awakens in an unfamiliar place with a child's body on an island. Guided by a benevolent undead being, he endeavors to reach a civilization and embarks on a journey filled with action, fantasy, harem elements, and romance. This tale is rich in themes like accelerated growth, age regression, and the forging of unlikely relationships between humans and non-humans, making it an engaging read for fans of kingdom building, game elements, and transported-into-another-world narratives.