Ruka just lives a boring life.... He is an ordinary student, but thinks that he wants to change the world.... One day, a devil appears in front of him, "I'll make your wish come true...." Her name is Mephisto. Though she has a big power, a half of it has been confiscated by the authorities. To get it back, Ruka makes a contract with her. At the same time, the authorities decide to send seven battle maidens to eliminate Mephisto....
Heiji is a massager and runs a small massage shop. However, he has a secret hobby.... That is to grope bodies of female customers. One day, two beautiful girls come to his shop. One is Kanan, a popular idol singer, and the other is Yukino, who lives nearby....
Autumn has arrived in Tenshin and Yuuto is attending the prestigious Reimeikan girls’ school since his old school closed due to financial difficulties. He lives at a shrine, so he helps out occasionally. One day, he was asked to be an observer for a duel between two Tenjou sisters, Rio and Kikyou, to decide on who is deemed the successor of the family. However, there was an accident and somehow Rio ends up living with him.
Masaki was told by his father that he must marry one of the Tenjouin sisters: tsundere Yuzuna, tennen Sakura or pettanko Koyuri. And there’s also a maid who’s his osananajimi, a bracon imouto and a loli nurse.
One day, Yamato, Mikoto and Takeru visit a village in the mountain for the training to be monster hunters. They have various hard trainings and finally become the monster hunters. But there is something wrong with Yamato's body.... His body gradually changes into a monster.... What is happening to his body? Who can stop it? To save Yamato, Mikoto and Takeru make every effort. What is a secret of Yamato's body? What will happen to Mikoto and Takeru?
Daisuke is a security guard of a building. One day, when he is patrolling around at night, he finds Tokiko masturbating on the desk. Tokiko says, "Please keep it secret. Ill do whatever you want...." Daisuke says, "If you want to keep it secret...." He tries to have sex with Tokiko, but she suddenly runs away. On the next day, Tokiko says to him, "If you don wanna get arrested, follow my order." Daisuke just says, "Well, I see...." He has no choice.... Like this, he gets involved in a mess full of erotic happenings....
Shinji is a high school student. He loves Mayuri, his classmate. One day, a sick-room teacher, Ryoko, gives him a pendant. It seems people can have a good dream if they sleep with it. On that night, he goes to bed, holding the pendant.... A while later, when he wakes up, he finds himself being in Mayuris room. Mayuri is asleep in the bed.... He gets sexually excited and has sex with her...! However, nothing is changed on the next day.... He is relieved and randomly has sex with other girls.... Whats the secret of the pendant? What will happen to him in the end...?
Saya, his sister-in-law, is Ryosuke's sex slave..., she can't live without his dick. Miu is his sex slave as well. Mika has sex with anyone. Chikage is her students' sex slave. Saki is....
Sexual desire.... No one can deny it.... Ryosuke rapes Saki, his sister-in-law. She refuses it at first, but she finally accepts it once his dick enters her anal.... On the other hand, Miu joyfully accepts it. And Saya....
One day, Ryosuke finds his sister-in-law's electric vibrator at home. He decides to rape her using her secret vibrator.... Other girls around him as well.... The girls say no at first, but they gradually get addicted to sex life with him....
Anal sex.... What an erotic word.... "How can I control Saki...? Yes, I should teach her how good anal sex is." Miu, Saki's friend, gets interested in it, and soon becomes his sex slave. But, Saki doesn't obey him.... What he does next is....
One day, he sees a man molesting a girl on the train. But she never resists it. On the next day, he molests the same girl on the train, but she doesn't resist. "What about other girls?" He molests other girl, but she doesn't resist, either. His molestation gradually becomes bolder....