Kouta is the school's idol loved by all—his teacher and his fellow students. Well, at least the one teacher and three students we see—who are all girls. Actually, they don't actually "love" him all that much; they just want to screw his brain out.

Yasuyuki is a high school student in love with his classmate, Yuu. He decides to join her film club to be near her. The teacher, Shindou Risa, and club members plan an overnight training camp on school grounds during summer vacation; Yasuyuki jumps on the opportunity. However, they are unaware that a virus is within the school, making those infected experience intense lust…

Based on the manga by Fukudahda.Asoka Madoka is invited to karaoke by her friends where she is introduced to Miyamoto who she happens to know from before. The two other girls depart with two other boys. Then, Asoka and Miyamota make out, rent a love hotel, and do what needs to be done.Ai-chan is a girl who happens to be into a smell fetish who likes Namikawa. After school, when there is no one around, the two of them have some fun.

Four years have passed since the initial outbreak of the Unknown virus epidemic, and the terrifying plague which depopulated the Tohoku region of Japan has been reduced to a mere memory, thanks to drastic quarantine measures coupled with an effective vaccine.But the Unknown virus is not dead yet and soon, very soon, an inescapable doom will fall upon Wataru Ayase and his family and friends, trapping them inside the "Hell on Earth" madhouse which originally was their home city, Tokyo...

Kansen 2 (like the first episode) takes place during the initial outbreak of the Unknown virus epidemic, but the protagonists here have a much harder lot because they are stuck in the middle of a contaminated city immediately after its destruction by a mysterious cataclysm.Stalked by hordes of infected maniacs, Hiroshi Ookura and his friends seek safety inside a mostly intact shopping mall, but madness and death are everywhere...

Based on the adult game by Marine.Kutaro works hard everyday at a TV station as an assistant director. However, his life changes when he agrees to take part in a new TV program with Aya -- who is a famous TV presenter; but she constantly mocks him.One day, Kutaro plots revenge by secretly adding his sperm into Aya's coffee. She drinks it, not knowing, then after work she asked him: "What did you add to my coffee? It had a different taste." He was embarrassed but admits it.Surprisingly Aya responded with: "Today I felt great. I did not think such a coffee would help...". Thus begins Kutaro's life with a beautiful TV presenter.

Based on the erotic game Zoku Hitou Meguri by Riddle Soft.Mao, who has a secret crush on Mikio, makes up her mind and invites him to go on a trip. The invitation gets accepted, and at the thought of the trip just for the two she feels elated. Mikio falls asleep right after installing himself in a seat opposite Mao in the train, helplessly spoiling the sport. She expands her expectations looking forward to upcoming events, though his seeming lack of interest dampens her ardor a bit. Despite her hopeful view, however, it turns out that her passion for Mikio only ends up arousing the sexual desire of a man that appears unexpectedly...

It was just supposed to be a summer training.... Yuki is a caretaker of the baseball club. She and other members stay at a training camp on the isolated island now. But one day, a civil war breaks out. Male teachers leave the island to see what's going on. However, they never come back. Several days later, they know that their ship is wrecked. Nothing to drink.... Nothing to eat.... They gradually lose their self-control....

The story evolves around customers visiting a real estate agency with a lustful woman president whohas sex with her subordinate, after visiting various places for their clients.

Based on a manga by tosh.Satou Reiji's life changed when his real lineage was discovered. He is the son of a rich man who passed away recently, and now Reiji is the new master of the Kamiyama house. But there is a catch! In order for him to be accepted into the house legally, he needs to provide an heir, and in order to do that, he must choose a wife from his very own harem!

Yuta spends his summer vacation at home alone with his cousin Kei studying. However, Kei's teasing of Yuta results in their mutual desire for each other flaring up unexpectedly. They instead spend the time "studying" each other, and trying to reconcile their feelings after having crossed the line.

After the sudden death of her brother, Raika decides to transfer to the same school to investigate the circumstances of his death. Since his brother attended an all-boys school, she needs to disguise herself as a boy. However, her true identity is soon discovered…

Kensuke and Ayumu have known each other since childhood. It wasn’t until recently that they realized that they had feelings for each other that were much more than friends. While working in a PC Software company as a salesman, Kensuke is told to work at another branch due to a shortage of manpower. The big catch here is that he won’t be able to live at his apartment anymore so that he can easily commute to his new job.That being said, he won’t be able to see Ayumu for a very long time, but she’s been sweet enough to watch over his apartment while he’s gone. Well, you know what they say about long distance relationships; after a good amount of time has passed, Kensuke is in a mixture of loneliness and paranoia. He’s missing Ayumu, but also doubting why a woman like her would stick around for a guy like him. To add more confusion to the fire he’s come across four women around his new work that give him more temptation that he can bare.Will our hero hold out for love, or will he give into the pressures?

An Anthology styled piece.In the main storyline (episodes 1 and 4), Takashima Shigure is a well respectedand hard working honor student. She excels at both academics and sports but oneday her classmate Kita Komatsu discovers another side to her and how she dealswith the stress of being an honor student. The two of them agree to share thesecret, and Kita now unexpectedly has a wild sex addict for a girlfriend.There are also two other different stories in episodes 2 and 3.

Oogami Island is normally a peaceful isle with lush green scenery, but is now a place of depraved wanton lust. The contagion Unknown - Level 4 has become epidemic. 3 girls, Hyuuga Natsu, Ochi Akari, and Hanazawa Airi find themselves trapped in a sports facility where they are assaulted by the infected.

Based on the game by Buruge on Demand (label of Blue Gale).The story revolves around Masaru and his friend Ijuuin, and their sexually oriented exploits with 3 sisters, Kaede, Nanami, and Kurumi.. whom all work and manage a Cafe together. Kaede owns the cafe, which is also worked by her two sisters Nanami and Kurumi. Masaru has been offered a part-time job by Kaede, which sets him to work alongside the two other girls.When Kaede ends up needing to be away from the Cafe for a month on an internship, she leaves Masaru in charge of the Cafe, putting an extension on his part-time job.. and granting him the extra responsibility of 'looking after' the other girls in Kaede's absence.Having his alone time with Nanami and Kurumi leads to some unexpected events.Kurumi first confesses her love for Masaru, and he makes sure to take full advantage of the situation.. but then wouldn't you know it? Nanami seems to be falling for the male protagonist as well. The sisters find out about Masaru's two-timing efforts (like he cares), and they naturally become jealous of each other. When Kaede returns early from her internship, she accidentally happens across the others indulged within their expressions of affection for each other, which gives her and Ijuujin perfect opportunity to act on certain interests as well.Too bad for him that Masaru will still end up getting all the love all to himself from all three of the sisters in the end.

Kaito left his hometown with dreams to be successful, but he doesn't have any clear ideas so he lazily lives out every day. He decides to work at a newly opened resort facility called "A LO HA", meets various girls and has many sexual relationships.

While being a regular part of beach volleyball, Kiryu Saori was not able to show her ability in the game because of stage fright. In order to overcome it,she starts with special intensive training with her coach. Special training and H will start in the name of stamina.

Six people find themselves trapped in a mysterious futuristic complex,forced to dance to the tune of a sadistic computer game, where failure tofollow the game rules results in death.Characters include our protanist, Takato Keisuke, his childhood friendHokari Kanae, classmate Ando Miyako, underclassmate Mikaba Rika, Englishteacher Aoi Natsuki, same year Byakuya Rinne, and classmate Manaka Nemu.While still confused about their unusual situation, a mysterious voicesuddenly speaks to them: "A game has now started."In order to escape the room, Keisuke is the "unlocker" and one heroine the"keyhole". With an assigned act, he must "use the key".After hearing the unreasonable and immoral requirements to win, Miyako getspissed and snaps on the mysterious voice. Suddenly the lights go out, the girlsscream, then lights return reilluminating the room to show Miyako bound toa grotesque torture device."Anyone who quits the game will die."Her screaming begins in tandem with the electrical current. With eyes wideopen in fear, she pisses and shits herself. Everyone else starts freakingout. However, Keisuke seemed to be getting aroused by Miyako’s appearance.That was his secret, his urge to assault and humiliate girls.However, Nemu could see right through him and knew. Nemu takes advantage,forcing the protagonist to submit to her as she brings her lips up to his ear:"This is a contract kiss."Keisuke was surprised by Nemu’s behavior but he wants to protect Kanae anddecides for the sake of escaping, he will violate the others. Can Keisukeescape the white rooms and return to his normal life? Or will he hold backhis own dark urges?

Shuji lives a peaceful life with his younger sister, Saki. But he secretly lovesher and his libido gets uncontrollable day by day. One day, Saki tells him, "Ilove you.... I've been always thinking about you since I was a kid...." Likethis, they become boyfriend/girlfriend. However, their happiness is destroyedby an email. "I know your everything...." The email attaches a photo of Sakichanging clothes and masturbating. Saki thinks her stalker did it. The stalkergives her various immoral orders. She first tries to resist it, but she graduallygets addicted to it.... Well, will Shuji be able to save Saki...?

When Kuuya’s parents died, he was adopted by the Hiiragi family. In a household of six elder sisters, he was the only guy. In time, he fell in love with his sister Kaname, but their father noticed and was worried about what it could become so he sent Kuuya to his distant relatives. Now Kuuya has decided to return and pay a visit to his sisters, who are more than pleased to have him back—at least, most of them…

Asa & Natsume are both in love with Hajime Saisho. Instead of fighting over him, they both promised to share him equally. However, both girls have to leave him by the end of the summer. As the summer days go by, they each spend their precious time with Hajime, while the day of their fated departure draws near.

Arahama Yuu has 5 sex-friends. One day, his easygoing sex-life reaches a precipice. One of his partners, Shimizu Misako, who is also a co-worker at his company, had been sleeping with him on the understanding that they would marry. However, he only considered her a sex-friend, and even revealed the existence of the other 4. Incensed, she has him gather the other 4 together in his apartment. Shimizu discovers that Arahama has surrounded himself in the company of many beauties of differing personalities. Besides herself, the others are: Yanagi Ryouko who runs a cafe near Arahama’s apartment; Hoshino Kotori, a schoolgirl of his acquaintance; Endou Makiko, who manages a large company; and Kamishima Aina whom he met on an on-line dating site. Shimizu demands that Arahama ceases having casual relations and marries someone. However, the situation get heated and confusing until Arahama somehow ends up proposing to all of them. In the days that follow, Arahama visits each of them individually in an effort to withdraw his marriage proposal.

When Mishiro was small, half of his soul was eaten by a toothed deity. Since then he has had to deal with spirits called kotowari that reside in the darkness of the souls of people who are related to him, no matter how distant.Kotowari are soul fragments created from a person’s suffering and they can normally only be seen, heard and touched by that individual. Even if the kotowari is destroyed, it will keep respawning unless the cause of the suffering is resolved. Shortly after transferring to a school in a history-laden sightseeing town, Mishiro encounters a kotowari and decides to search for its owner.However, there isn’t just one kotowari as many other girls harbour their own suffering.