Ringetsu Onsen ~Aa! Umarechau!~

The main character runs a spa hotel, but the business situation is not good.... To break the deadlock, his mother, who used to be an obstetrician, plans a project, "Relax in a spa. Give birth to a baby deep in the mountains!" The project goes well and the spa receives a lot of customers. One day, a group of three pregnant women come to the hotel....