Female fighters take part in underground fights against genetically-enhanced opponents.

A cross over between the two hentai RIN×SEN and RAN→SEM. The story starts with Urara still being abused in the Kurodou institute. One day she is told by the headmaster that her fiancee, the one that set her with a great debt and only her body to pay for it, has been seen in the Believe lab. Luckyly, two lecturers at the lab, the Ichinose sisters Riko and Anna introduce Urara to the lab master, Majima. Then in a luxurious and grossly decorated room, Majima can’t stop licking his lips ogling the sexy Urara. He tells her she being chosen by god, and that she must enter the seminar to obtain answers. But, the seminar is a seminar in name only, nothing but free sex every day involving the poor Urara. One day Urara discovers the surprising reality from Riko’s mouth. The real name of her fiancee is Kaji, a lecturer in the Believe Lab. Furthermore, her senpai Asuka is also a participant in the lab. With a lascivious smile, Riko makes Urara jealous telling about Kaji having sex with Asuka. Urara walks into a playing room and sees Kaji and Asuka having sex. Urara screams in surprise and despair, in front of them she stutters back into a wall. With a misterious smile she finally breaks and murmurs ” Be… lie… ve…”.

Futaba Shinonome is in love with her older sister’s boyfriend, Ushio Irifune. However, he always rejects her seductive advances. To pressure him into making love with her, she makes him drink a glass of water mixed with an aphrodisiac. Consequently, Ushio’s inner sexual desires awaken, much to Futaba’s delight. But, things do not go according to her expectations…

Ryouichi goes to his friend Yuu’s place to play video games, like they do sometimes. It turns out that Yuu’s aunt Yui has come to visit, and she joins them. But it soon becomes clear that it’s not a video game she wants to play with Ryouichi…

Justice has never been so naked!

A super-secret cult of lesbians performs erotic experiments on bodies from the local hospital! Their purpose: to revive the spirit of their ancient leader in a virile human form. Now it’s up to the Midnight Strike Force, a team of busty justice fighters, to go undercover (and under the covers) to stop the nefarious acolytes before they succeed in their diabolically dirty schemes!

Sekimoto Ayaka joins a company where all female employees are sexually harassed. Eventually they begin to enjoy it.​

During a party at a luxury resort hotel on an isolated island in the distant sea, a scream suddenly arises. What appeared in front of me was a monster covered in tentacles. Some hid themselves, others fought… Is there anyone out there who can save us?!