18+ Meitou "Isekai no Yu" Kaitakuki: Around 40 Onsen Mania no Tensei Saki wa, Nonbiri Onsen Tengoku deshita

Kouzou Yukawa is a passionate hot springs enthusiast—a hot springs hunter who was able to sniff out the source of springs. One day, while searching for a hidden hot spring to revitalize a town, he slips off a cliff and dies. He is then reincarnated into another world by an Inari deity of a small shrine hidden in the rocks. Kouzou is joined by Inari's messenger princess, Mayudama. The hot spring hunter within Kouzou is stirred right away, as he takes a bath with Mayudama in the hot spring he just discovered. Then, an elf girl appears...

(Source: MAL News)