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

Kozo Yukawa is a hot spring hunter that can sniff out the very source of a hot spring. One day, he goes out searching for a secret hot spring, when he slips off a cliff and dies. Kozo is then reincarnated into another world by a fox god.