The story is a comedy about Lucius, an architect of public bath houses in ancient Rome, who time-travels to various modern-day baths in Japan. The author explores the two cultures in the world "that have loved baths the most: … FROGMAN, Hiroki Touchi, Akio Otsuka, Hiroshi Shirokuma, Naoya Uchida Added on Amazon Prime 2023-02-09.