High school sophomore Tanaka Taro plunges into a dimensional rift one day, only to awaken in a harsh world teeming with monsters—a place where survival seems impossible for an ordinary Japanese teen. Just as he's about to become dragon food, two stunning warriors rescue him and take him under their wing, vowing to train him to survive this brutal realm. Their destination? A hidden sanctuary far from civilization, where reclusive heroes—masters of swordsmanship, magic, and more—live in seclusion. Taro's knack for rapid learning soon attracts a growing roster of eccentric mentors, who drill him in alchemy, engineering, and other disciplines until he blossoms into a versatile prodigy. But as his skills grow, so does his curiosity: Taro yearns to explore this strange new world and uncover its secrets...