source- https://www.dlsite.com/maniax/circle/profile/=/maker_id/RG14831.html
Artist- https://www.pixiv.net/en/users/29088547/artworks

premise- Mutsumi, a female kappa, finds a cheap inn on her way back from a friend's wedding, but... A yokai travelogue (?) manga with action, erotica, and casual conversation in a ratio of 1:2:3. In addition to the title story, it includes a bonus manga (2 pages) and a yokai illustration book (1 page).