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It’s the year 128 A.D. and Rome bathhouse architect Lucius Modestus is having trouble coming up with ideas for his future designs. After losing his job for refusing to adapt to the current times, the depressed Roman stops by a strange bathhouse that happens to have a time-traveling drain! He is sucked into it and transported to a modern-day Japanese bathhouse! While confused by his surroundings, he’s amazed by some of their incredible innovations. Taking these ideas back to Rome, he incorporates them into his own designs and soon becomes famous all over Rome for his new and innovative ideas.
Alternative Titles: Thermæ Romæ, テルマエ・ロマエ