Riko Hoshino, an OL who admires the Showa era, is trained by dirty old men in the Showa era and gets raw sex and facials

An office lady (Hoshino Riko) who longs for the Showa era falls asleep and wakes up in a world that was so different from the Showa era!? She is trained by the perverted old men of the Showa era (Abe Tomohiro, Hatanaka Tetsuya, Yoshimura Taku) with threesomes and boat-sized sex, and is made to suck their dicks and receive a raw facial!