Kentaro, who works at a toilet company, has a crush on Junko, who rides the same train as him every morning. One morning, when he tries to confess his love to her, he is threatened by a molester and has his money stolen. The woman is Junko's older sister, Ryuko. The two are the daughters of Koji, who calls himself the number one boss in the Kanto region, and his brother, Bunta, is a strange transvestite who thinks of himself as a gigolo. Koji, who fell in love with Kentaro's personality, approves of their relationship, but by that time the gang had no more young members and was being forced to disband. Then Nobuo, the acting boss, was released from prison, and Koji lost his important name.

"Groper Train" pink film distributed by Shintoho.

"Groper Train" pink film distributed by Okura Eiga.

A married couple who enjoy an exciting sex life together. Their favorite part is molestation play on the commuter train. This morning, the husband molested the wife, and the wife was satisfied, and in return, the wife became a slut and made her husband ascend to heaven. Although the couple's relationship is harmonious, the husband and wife are looking for a stronger thrill, and they are also enjoying their sex life with their lovers. The wife's lover is the boss of the company where she is dispatched. However, this boss has a perverted habit and his demands escalate. Then one day, he realizes that she likes to be molested on the train, and takes her into a crowded train. The wife accepts the fingers of someone other than her husband for the first time on the train...

Haruo Kawashima, a deputy manager at a real estate company, has an extraordinary fetish for big breasts. He can only get aroused by women with big breasts. However, his wife Akiko has extremely small breasts, so they never have sex. Haruo molested a big-breasted woman on a crowded train, but it turned out to be Natsuko, who worked at the same company. Natsuko confessed her love to him and gave him a blowjob. Then the train came to a sudden halt, and he got his penis bitten off. He thought it was just a dream, but since then, he has often had sex with big-breasted women in his dreams. After hearing about his dream, Akiko became jealous of the woman, but the same thing happened repeatedly, so she finally...