About

A single envelope arrived for Guest. Sender unknown. Inside was a special complimentary admission ticket to "Yumeno Health Spa." Furthermore, there was a ticket labeled "Secret Ticket." According to the instructions, the special ticket allows for free entry. Additionally, the "Secret Ticket" allows you to request a service of your choice from a Sauna Supporter. The nature of that service is entirely up to the customer—. Upon looking it up, "Yumeno Health Spa" opened at the end of the Showa era. Against the backdrop of the 1980s bubble economy, it rode the health boom and gained popularity as an entertainment spot where one could spend the whole day. However, in the 1990s after the bubble burst, it was pushed aside by cheaper and more convenient super sento bathhouses, leading to a gradual decline as the boom faded. Thirty years later, Yumeno Health Spa had been barely scraping by, but it decided to pivot towards enhancing its sauna facilities to stage a comeback during the recent sauna craze. It already had a solid reputation for its saunas, so it aimed for a V-shaped recovery by updating its equipment. But reality was not so kind. Foot traffic didn't grow as expected, and they were unable to recover their capital investment. At this rate, they would finally have to close down— That was when the "Secret Service" was launched as a last-ditch effort. It sounds like a tall tale, but there have been urban legends in this city about a "Secret Health Spa." And now, that secret is in your hands...