A con man convinces a group of spa owners that he is surveying their area for a new road. Hoping to gain his approval the owners ply him with extra friendly service.

Yoko is a housewife who's frustrated by her husband's lack of virility. She finds solace in erotic daydreams, the ministrations of a condom salesman and, eventually, the partner-swapping lifestyle.

Fu-yan, also known as Fujikawa, runs a business producing underground videos that are secretly sold by electronics store owner Umeda and his wife Makiko. One day, he receives a request from Umeda to make a new video. The lecherous old man Kikuchi wants him to make an underground video with him as the main character. Lured by the high fee, Fu-yan boards a ferry with Makiko's stepdaughter, Megumi. On the ferry, Fu-yan saves a woman named Yumeko who is about to jump into the sea. Having failed in life and about to commit suicide, Fu-yan takes Yumeko to Kikuchi in order to make her the queen of underground videos. Filming begins according to the script written by Kikuchi, and with Fu-yan's calming, Yumeko completes the film to the end. Before long, a good relationship develops between Fu-yan and Yumeko, but...

Since losing his child, Sakuzo, who was renowned as a skilled fisherman, has been drowning himself in alcohol every day. His wife, Teruko, urges Sakuzo, who drinks from early in the morning, to go out fishing, but the argument continues... Feeling guilty, Sakuzo heads to the harbor, where he finds an old jar buried in the sand.

In accordance with ancient rituals a landlady who runs a hot spring spa, known for its fertility, needs to conceive or she will be forced to leave. Meanwhile the owner of the spa is happy to indulge in the erotic attentions of the many geishas working there who have hopes to replace her if she fails in her duty.

Fujiko has won a happy marriage after competing with her friend Kanae for Shunsuke, but her boring daily life and dissatisfaction with her husband only grows day by day. Meanwhile, Kanae, who has married a doctor named Seizo and lives a wealthy life, is also fed up with her boring daily life, although she has given up Shunsuke to Fujiko.

Eiji, a teenager eager to follow in his late father's scientific footsteps perfects one of his old experiments to diminish the barrier between pain and pleasure.

Softcore porn collaboration between Nikkatsu director Shinya Yamamoto and gag manga artist Fujio Akatsuka, utilizing both creators' comedy techniques in an erotic setting.

A beautiful young man is riding a train when a suspicious man comes and snuggles up to him. A man who snuggles up to you even if you run away. Eventually, when he arrives at the station, the man gets off, but leaves a book. Thinking that the man might have forgotten it, he picks up the book. The book is "Gay Toybox". When he finally opens the book, the movie begins with an epilogue. The movie is an omnibus of three features. In other words, each book is an elaborate composition of one story of the gay world that is developed in that book.

Various men board the train. At one point, an office worker and homeless man meet and swap places.

An impotent salaryman discovers he can have sexual experiences with unsuspecting women when he becomes an out-of-body ghost.

A man dreams of groping women on the train. He then leaves his girlfriend and moves to Tokyo. After getting bullied by a group of men, a master trains him in the ways of groping.