With the company on the brink of bankruptcy, the defiant president Echizen plans to do something foolish one last time. He sets up a lab he calls the "Orgasm Research Institute" and begins research into ecstasy with the researchers he has gathered. First, there is the interaction between Teruha, nicknamed "the 10,000-slayer" who charms men with sex, and Youji, who has a big dick. The excitement of the researchers reaches its peak when they see this. Then, they take turns to conduct dizzying experiments on pleasure in the isolation facility! What on earth lies ahead?!

Nami is a freelance nursing care helper who will do anything for her caregiver. At the request of Nagara, who runs a women-only share house, Nami visits his house, where she meets Kyoko, a legendary mat player, and Sayaka, a woman who drives men crazy with her gaze. The three strongest people come together and improve each other's skills and sensitivity, but...

Former Miss Deriheru was suddenly appointed as a secretary to a major company because he was nominated as a customer. She is a good pacifier, and continues to support Shiozaki, a salesman who can not exert her power in important situations, in a hidden place to support her. The effect is tremendous, and Shiozaki improves his performance. Even the president... We all knew about Kazuko's licking!

Years have passed since the first film. Goro never got over the death of his partner and continues to drown his misery in alcohol. His latest work as a private detective involves spying on a man suspected of adultery by his wife. She happens to be right, but he's cheating on her with a male university student and not another woman. When that student turns up dead shortly after Goro delivers his results, he is initially indifferent. But then he's absudcted and beaten to within an inch of his life by people who clearly want to ensure his silence, and that changes things. Turns out, his past once again comes back to haunt him.

Rumors were circulating that obscene medical examinations were being conducted at Murata Memorial Hospital. Seishi, who works for the Ministry of Health and Welfare, infiltrates the hospital to find out what's going on. There, his girlfriend Rin worked as a nurse. Okada, an inpatient, said that if he had a certain card given to the nurses, they would remove the accumulated material, and that the longer he stayed in the hospital, the more special treatment he would receive. That night, Seishi sneaks into Okada's room and sees him being serviced by a nurse. And he had a suspicion that the other person was Rin. Before long, Seishi was to receive the highest quality paradise treatment. Seishi uses sleeping pills to put Okada to sleep and enters the treatment room in his place, but...

Ryohei, a gay gangster, dreams of becoming a full-fledged gangster, even though he is bossed around by his elder brother Yamabe. One day, Yamabe accidentally kills Morishima, a member of the gang's leadership. Thinking that he will be killed by the gang if he continues like this, Yamabe takes Ryohei with him to an abandoned house deep in the mountains to dispose of Morishima's body...

Haruhiko, a shop owner, took a vacation to go on a trip with his wife, Maki. However, Maki—suspicious of a relationship between him and his employee, Hanae—insisted that Hanae join them, ostensibly for a company retreat. The three stayed at a seaside hotel. While out for a walk, Haruhiko ran into Hanae and, at her invitation, became intimate with her. Maki witnessed the encounter and wandered the rural town in a daze, eventually stumbling upon a "black-and-white show" performed by Shinji and Misa, a couple traveling in a van...

A man named Suneo appears in front of Yoshiro, claiming to expose the past of his lover Nishimura. Yoshiro is curious about Suneo, and approaches him... A drama with a touch of suspense, where friendship and love swirl around.

Yoneda, an elite mayor, was well-liked and devoted to reforming the city's administration. One day, his daughter brought her lover Shiomi to her house. Yoneda and Shiomi stare at each other, and their love begins. Mayor Yoneda is having trouble dating his daughter's boyfriend. However, she sees Shiomi's motorcycle with a strange man on it. Yoneda, jealous of her, summons Shiomi during her office, and she confirms her love in a deserted riverbed. Those days won't last long. Her daughter sees her hugging Shiomi...

Sango finds satisfaction on the train. One day, Sango's father, Ichiroku, lies in his sick bed and asks Sango to do something outrageous...

Bank employee Ando witnesses Miki being groped on the train. He then becomes an obsessed stalker...

Narutaki is a TV newscaster. Amidst his immense popularity, his work and private life were fulfilling. However, in order to maintain his popularity, he hid the fact that he was gay and was careful not to let the public know about his boyfriend. The young man, who is a big fan of Narutaki and masturbates every day while watching Narutaki on TV, finally can't stand it anymore, and eventually realizes that Narutaki is gay, and begins a violent stalking act. Eventually, Narutaki's lover becomes involved in a crazy love triangle...

Hosts Hikaru and Tomoya quit the host club Ginza Rose without permission. However, in reality, Hikaru invited Tomoya and lured her to Fashion Health, where the pay was high. When the two go to work, they are immediately introduced to the regular customers as new employees, but because they are being followed by the store's number one customer, Toru, who finds out about this, ends up resenting him...

Kenichi, a leading figure in the world of Japanese literature, accepts an essay on the recent popularity of shaved pubic hair, but never made any progress. Instead, he indulges in affairs during his breaks from writing, such as arranging sashimi on the female body of his mistress, or pursuing his dictating scribe...

Akira lived alone and elegantly in a luxurious apartment. He doesn't have a job, but he doesn't have any problems making ends meet. When he gets hungry he takes delivery from a nearby restaurant. Today as well, Asako, who had a delivery job, went home while scratching her face. Akira doesn't pay for expensive food...

Yoshio Mamiya was angry because of false rumors. It is said that he passed on a vicious disease to his girlfriend, Shinji, and they broke up. Shinji, who agreed to break up with his son-in-law, was also bothered by the rumors. Yoshio finally discovers that the source of the rumors is a gay bar called "Angel" and boards the bar alone. At the bar, hot-eyed Hida, the beautiful Tajima, and the mysterious Serizawa are drinking...Yoshio first approaches Tajima, but when Tajima realizes that he is the rumored Yoshio, he invites him to a hotel. Yoshio is forced to have maniacal sex with one man after another, and when he finally gets close to the truth of the rumors, Yoshio is made to realize his true desires...

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.

Midori, a furniture designer, and Shigeru, a lawyer, are both divorced and have been maintaining an "adult relationship" for several years. However, Midori has begun to suspect that Shigeru—who claims to be busy with work—has found a younger woman. One day, while on a bus, Midori is groped by a mysterious, beautiful young man. This incident triggers a relentless stalking campaign by the youth against her...