Private detective Satoshi Suzasaki works with Asuka, his sexy partner. They're both in charge of investigating a strange case of bodies cut into pieces. In the meantime, a chap blackmails a girl for he has a videotape of her masturbating. In exchange for his silence, he asks her to spend the night with him. She'll have to suck his cock and hold his load in her mouth. The guy then fingers her, goes down on her and shags her violently.

    
    

Bad luck for pretty Mayu, princess Demonia decides to turn her into her prey. Once she has a hold of the girl she sends her to the demonic kingdom where she is initiated to all the pleasures of the flesh. Getting naked, Mayu is fingered and then screwed to activate the devil inside her.

    
    

After having found out that teacher Tadakoro, manager of Plan Sexus, who had died in a a car accident, transfered his spirit to Eroki...the girls decide to meet their friend. The latter, the buttocks and breasts wonderfully swollen up is a whisker away from getting strangled by Eroki. Finally Keoru manages to rescue her.

    
    

Narumi, the hospital manager, asks doctor Hirazaka to be in charge of the gynaecology department. But the doctor is extremely nasty and all he thinks about is how to make the nurses fulfill his sexual experiences. Narumi was tortured by the doctor and, in return, she asks him to make a brothel in the hospital. Thus the doctor has to turn all the nurses into horny sluts trained to satisfy the patients' sexual needs. Narumi convinces the doctor with a great blowjob and then he decides to screw one of the nurses.

    
    

Niki, Nagawa's friend go to see the fireworks. Nagawa told Igata that Niki was in love with him. Getting extremely horny, Igata throws himself at Niki, licks her breasts and screws her wildly on the floor while the fireworks explode. Then he cums on her stomach calling her all names.

    
    

The sex project comes to an end but the poor girls still suffer because of it. Keoru ends up in the laboratory, imprisoned, gapped and tied up. With a bar in the mouth, the poor girl gets tortured continuously, her hands behind the back, she has to suck non stop and swallow everything. Her tormentor finishes his job with a doggy style of hell.

    
    

Proved innocent, Satoshi loosens up with his informer, a busty brunette who loves having sex while being on top. Later on, a girl wants to say goodbye to Satoshi dropping her pants and pouncing upon him. Foaming at the mouth and eyes convulsed, she dies while having it off with him... the telephone rings, he's once again trapped!

    
    

After a quick jerk off under the duvet, the girl of the team of agents leaves her room and starts searching through the kingdom. She then discovers the queen's real power and finds herself hypnotized by her to such an extent that she attacks her own colleague. Injured, the latter turns into a ferocious beast and then leaves to face the queen.

    
    

After an organized rape, a girl decides to take her revenge by arranging for all her girlfriends to get raped, one of them will be screwed doggy style by her teacher, another is forced to pee in front of everybody and the latter is raped by several guys in her room.

    
    

After having discovered lots of secrets, Satoshi, Asuka and Nozomi decide to go away. The girls have a 69 at the first hotel and they give themselves up licking each other until climax while Satoshi gets picked up by a gorgeous brunette and a blonde. After being woken up by noises, Asuka, who was just dreaming, discovers a couple of sadomasochistic lesbians in the next room.

    
    

Carrying out the orders through the telephone, Satoshi goes against the trapper. He finds there his informer who points a gun at Asuka. The latter tells him about the experiments that had been made and especially about the whole team's loss of control. All the doctors had pounced upon the informer raping her one by one. Then forced to take a cock in her mouth and manually stimulated, she ended up getting several cumshots into her fanny.

    
    

The coach finds himself in the middle of an orgy, dozens of girls suck him off and fondle him with their huge boobs. As soon as he fucks them all doggie-style, he remembers just like that about his team's match and manages to join them by a narrow margin. Just enough time to bugger the reserve and thus get her fit for the game.

    
    

After a good fuck in the changing rooms, the reserve enters the field overexcited, smashing her opponents and winning the match. The final scene is incredibly hot, all the girls of the team thank their coach by sucking him off and letting themselves get shagged doggie-style and in every possible position until he unloads his sperm on them.

    
    

The players of the volleyball team are all overexcited as their final approaches, one of them playing good unless she's horny, so the coach gets her going in front of everybody, who was still tense. The players then pounce upon their coach to give him head and fulfil all his fantasies. After the victory, Motoura gets jerked off by his whole team in the shower.

    
    

Many murders are still committed during the night, the phone is cut off but Satoshi keeps calm. Little Nozomi has been kidnapped and finds herself on an altar of evil. Before taking action, Satoshi decides to have a rest during the night, Asuka joins him and they finally agree to make love. Asuka lets herself be laid down on the bed, breasts in sight, Satoshi licks her and fingers her before riding her and making her come.

    
    

After many disclosures regarding the massacres recently committed, Suzasaki takes a gorgeous, busty blonde to his room. But since a big, hefty guy was there, waiting for the girl, Satoshi clears off and leaves her in his care. The poor girl then gets maltreated and sodomized right off the bat. Grabbed by the mouth, she can't even scream... before asking for more.