Natsuka Q-Ya

A big volume with over 200 pages, containing 10 stories including "Hitozuma Outlet", a series depicting the indecency of married women who can't hold back their lust! (Source: DMM) 1-9. Hitozuma Outlet 10\. Uber Wish: Sugee Ganbou

1-6. Vaccine Chuunyuu‼ Ninshin Tokubetsu Gakkyuu / Vaccine Injection!! Pregnancy Special Class (ワクチン注入‼妊娠特別学級) Wakana Wakaba is infected with "Breast Flu"! Breast flu is a serious disease that causes breast enlargement, breast milk production, increased libido, and if not treated, a lifetime in heat! Wakaba moves to a quarantine city with other women infected by breast flu. There she learns that the cure for breast flu is to get pregnant by vaginal insemination! For the cure, they will have sex in the classroom! Naked high school girls all over the place! The impregnation harem story by the hit maker Natsuka Q-ya! (Source: Mujin Comics)

In Japan, there's an island where only naked, erotic beauties lived!! Kengo Inada, a third-rate office worker, had just been hired at a company when it was decided that he was going to be assigned to work across the sea at an isolated island called "Zenra Jima". However, that island turns out to be the one where all the inhabitants live with their pussies fully exposed, that "Zenra Jima", the Naked Island!! In contrast with the 3000 women living on the island, Kengo is the only man! On this island where a man hasn't been to in a long time, the native girls are swarming around Kengo's meat stick! On top of that, on the island grows an aphrodisiac fruit called Manmomo, where if eaten puts the girls and Kengo in an aroused state for 24 hours!! Just like that, Kengo gets by as the island's sole "mating man"; However, this island has a secret...!? (Source: DLsite)

First year Mantarou Asakusa gets coerced into joining the Seigi Club due to the scheming of the Student Council. Because "Seigi" in this case means "Sexual Techniques", in that club the activities consist of learning about sex as a contest. Furthermore, every female student in that academy are mandated to take "Seigi" as a required subject! Thus, Mantarou finds himself training in sex with a bare naked female student as his partner!? (Source: DLsite)

Tamariba / Hangout Machi kaihi 〜Hajimete no Onsen Ryokou〜 / Town Membership Fee - My First Hot Spring Trip Hikikomo, Gomo Shirouto Couple ga AV ni Shutsuen shite mita. Shikashi Uradatta / Amateur Couple AV Debut, Behind the Scene Bitch Hike / Slut Hike Kafunshou Gyouretsu no Dekiru Omise ga Suiteitanode Haittemita / I Enter a Shop that No One Queues in Joukyuu Shimin VR-NTR

Creampies for my wife and daughter in heat!! Indulging in SEX with my impregnation rod!!! (Source: DMM) Kousoku Ihan (校則違反) Mama ni Naare (ママになーれ) Musume Ana (娘穴) Narisumashi (なりすまし) PTA ni Youkoso (PTAにようこそ) Yurutsuma (ゆるつま) Musume no Tsuma (娘の妻) Ekkyou Nyuugaku (越境入学) Takutsumashou (託妻所) Kimekime (キメキメ)

The elite social class is using a human manipulation device to alter the bodies of beautiful women into those of females in heat! This is a story about a country where discrimination betwen the "upper class" and "lower class" has become common sense and socially accepted. Masayo, a beautiful girl, has been drafted by the country to serve as a "Slut". A so-called "Slut" is a legal sex slave for an upper class partner. Oda, who is Masayo's childhood friend, is furious that she got drafted to become a "Slut". With the help of his comrade Hachinan, he has acquired the "Z-system", a nanomachine device that can be used to manipulate humans at will! Thus, his revenge against the upper class begins! His targets are: the women of the arrogant but cowardly upper class! With Hachinan by his side, Oda puppeteers the actions of the upper class women and alters their memories, but he also violates their bodies until they become pregnant!? (Source: DLsite)

A boy named Nagisa ends up becoming a male prostitute working at the Mugen mansion on account of him having a huge dick! At the Mugen mansion, the wealthy women are, it turns out, the customers of a super high-class brothel!! The female customers just keep cumming because of Nagisa's natural big dick! His customers range from a gold medalist to the daughter of the President of a certain Western country! However, Shiori — the girl who Nagisa had a crush on for the longest time — arrives at the Mugen mansion!? (Source: DLsite)

3-4. Oyako Onsen / Mother Daughter Hot-Spring (母娘温泉)

Sensei♥ Please fuck my virgin pussy and impregnate me♥ In this academy, there are 900 female students and all of them live their lives bare naked! Their nipples and pussies are fully exposed♥ When you get horny, go straight to penetration and just put it in, lol. It's a fuck-all-you-can with these hypnotized high school girls! Affluent high school girls commute to this school for rich young ladies, where the hypnotic suggestion "Female students are to be completely naked inside the school!" is in effect! And so in this academy, female students live a school life with their boobs and slits in full view. Furthermore, due to hypnosis, nobody thinks of asking any questions! Daisuke, the newly hired teacher, obtains the the hypnosis ring the principal left behind. He ended up manipulating the sexual feelings and desires of the female students! Thus, he spends his days indulging in sex with bare naked high school girls as his partners! (Source: DLsite)