Thermae Romae: Thermae Romae x TOTO Collaboration

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: the Japanese and the Romans."

Lucius, a bath designer in the Roman Empire, accidentally slips back in time to present day Japan and learns about Japanese bath culture in this comedy.

Bonus episode included with the BD/DVD.

Lucius ends up in a space station, where he experiences zero gravity and learns about heliocentricism.