Moto Isekai Tenisha Datta Kachou no Oji-san, Jinsei Nidome no Isekai wo Kake Mawaru

Souya, the manager of a trading company in a small city, is a 37-year-old office worker who enjoys single life. One day, when he wakes up in a strange meadow, he sees two moons floating in the night sky and regains the memory of being transferred to another world 20 years ago. An uncle's adventure i