A massive hot spring and wellness complex located in Shinsekai, featuring themed baths inspired by different regions of the world—Rome, Greece, Japan, and more. It also includes a water park with slides, a gym, hotel facilities, and various wellness services. Perfect for relaxing alone or with family, no matter the weather.

💴 Entrance fee: From ¥1,500 depending on day and time
👥 Tourist level: Very touristy – especially crowded on weekends and during school holidays.