Groper Train: Good Office Lady, Bad Office Lady, Normal Office Lady (1983)

On his way to work, Shinji tried to grope Namiko on the train, but she remained unfazed, causing him to lose motivation. That night, while he and his younger brother Mamoru were looking for women in the entertainment district, Namiko approached them. The three went to a hotel, but Mamoru was rejected, so the next day he groped Yoshiko on the train. Yoshiko took Mamoru to her apartment and made a move on him. Both Namiko and Yoshiko were office ladies at the same company. And then there was one more. The unattractive Waruyama Daikei, who was never groped by anyone, targeted Shinji and Mamoru and forcibly lured them to a hotel, but...