おっさん冒険者の地道な異世界旅 (WN)

鈍い体に疲れたおっさんが、全国の若者を残して異世界へ転移してしまう。An old man who is tired of his slow body leaves the youngsters across the country in the dust as he transfers to another world.But you know? It’s a little too late for that! What am I supposed to do!?Just then, the god offered him a single lifeline. His one ray of hope is a skill that allows him to slowly grow younger.And with this small hope, the old man begins his journey.