Read manga: Koibana Onsen

manga
Other name: 恋花温泉
Genres: Adult ; Comedy ; Ecchi ; Romance ; Seinen
Artists: Kawatsu Kenjiro
Status: completed
Summary:

Despite having been dumped by his girlfriend, Akiyama doesn't want to cancel their reservations to a famous onsen resort popular with couples. Deciding to go alone, he finds 3 sisters taking care of the inn. Later on, the sisters call his ex-girlfriend to come and patch things up with him.... However, will he still want to make up?