
The story follows a Roman architect named Lucius, who is having trouble coming up with ideas. One day, he discovers a hidden tunnel underneath a spa that leads him to a modern Japanese bath house. Inspired by the innovations found there, he creates his own spa, Roma Thermae, bringing in the modern ideas to his time.
Genres:

Hiroshi Abe as Lucius

Aya Ueto as Mami

Masachika Ichimura as Hadrian

Kazuki Kitamura as Ceionius

Kai Shishido as Antoninus

Satoru Matsuo as Noboru Itami

Katsuya as Marukusu

Takashi Sasano as Shuzo Yamakoshi

Riki Takeuchi as Tateno

Takashi Sasano as Yamakoshi Shuzo

Midoriko Kimura as Yumi Yamakoshi

Bunmei Tobayama as Kishimoto

Hachiro Ika as Saburo

Hiroshi Kanbe as Middle-aged man at bath

Shungicu Uchida as Michiko Hirai

Yoshiyuki Morishita as Ujino

Yoshikazu Ebisu as Showroom department head

Kei Iinuma as Nagura, the Elder

Tarô Iwate as Mogami, the Professor

Takao Kinoshita as Onishi, the egg lover

Katsuhiro Nagano as Uncle at the Public Bath

Tomio Suga as Michiko's Dad

Michi Emiko as Old Lady at Fertility Festival

Sakurai Chizu as Lady at Fertility Festival

Nigel as

Walter Roberts as

Alfredo Benavendo as

Thomas W. as

Ananda Dawn Jacobs as

Cristo Pietro as

Noah Russell as

Camille Blanchot as

Laz as

Renato Ansaldi as

Shozo Iizuka as Opening Narrator (voice)

Atsushi Sekiguchi as (voice)

Bansuke Kasamatsu as (voice)

Kaori Yamagata as Livia (voice)

Keisuke Ishida as (voice)

Naomi Kusumi as (voice)

Ken Shiroyama as (voice)

Madoka Takeda as (voice)

Akane Matsui as (voice)

Yasuhiro Ohara as (voice)

Naoto Kaji as (voice)

Yoshiaki Kameda as (voice)

Gorô Sanada as (voice)

Akihiko Shimizu as (voice)

Michiko Chida as (voice)

Shintarô Takatsuka as (voice)

Hiroki Tanaka as (voice)

Seiji Toyama as (voice)

Saburô Fujikawa as (voice)

Kôdai Fujigawa as (voice)

Atsuyoshi Miyazaki as (voice)

Nastsuko Yakumaru as (voice)
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