By the Grace of the Gods (Manga) 09

In his previous life, Ryoma Takebayashi was a middle-aged office worker at an exploitative company. But now, after being reincarnated as a child in a parallel world, he's drawn on the knowledge and experience of his former life to become the owner of a thriving laundry service. Ryoma misses Eliaria and her family, but every day is packed with things like communicating with the gods, protecting his shops, and coming across new kinds of slime! His new lifestyle has just begun in this parallel world slow-life fantasy!

By Ranran.