A high-temperature dry sauna with a TV located on the top 15th floor. The temperature is about 96°C, allowing you to warm your body thoroughly from the core. With tiered seating, you can choose your preferred temperature range. Relax in a calm environment, watching TV, in a serene space that makes you forget you're in the city center. The sauna is closed from 1:00 to 5:00 at night, but guests can use it freely at other times. After sweating, achieve totonou refreshingly in the nearby cold plunge bath and outdoor relaxation space.

The cold plunge bath with a chiller is characterized by its thoroughly chilled coldness. It allows for a quick cooldown of the body heated in the high-temperature sauna. The water quality is tap water, but it is always kept cold by the chiller, maintaining a sense of cleanliness. Located close to the sauna room, the flow is convenient. After the cold plunge bath, rest in the outdoor relaxation space or totonou chair in the open-air area, and slowly relax your body while gazing at the city night sky.