Roman Bath

Lucius, a Roman architect, is transported through time to modern-day Japan, where he learns about Japanese bathhouses and uses this to his gain back home.

Roman Bath is a 2012 fantasy sci-fi movie directed by Hideki Takeuchi, starring Hiroshi Abe, Kazuki Kitamura, Riki Takeuchi. It holds an IMDb rating of 6.4/10 from 2,954 votes and runs 1h 48m.