The story centers on high school student Kaga Michio. Wandering aimlessly through life and the Internet, he finds himself transported from a shady website to a fantasy world — reborn as a strong man who can use "cheat" powers. He uses his powers to become an adventurer, earn money, and get the right to claim girls that have idol-level beauty to form his very own harem.

Natsukawa Machiko came back to her home town to become a teacher. On the first day of the school, she met delinquent students on her way to the school. She warned them, but they began to molest her. She managed to leave there for the school, but she met them again. They were the students of the class she was responsible for. They started to molest her again. At that moment, Uoi stepped in and saved her. However, in fact, he was the leader of the delinquent group.

Based on a game by Mink's M no Violet division.

As for the preceding OVAs from Night Shift Nurses, the plot of this one centers around Yagami Yuu who likes being a responsible nurse at a hospital, she tooks her work in first place, giving pleasure to the hopeless patients in a descending spiral in a non-stop way, each time more perverted and dirty, reaching the downs of sexual behavior.

Anime adaptation of the PC game by Blue Gale LIGHT.

Deep in a forest, there existed an old European-style building made of brick. It was an all-girls' school attended only by girls from good families.

One day the school was covered by a mysterious thick fog caused by an earthquake. Orc soldiers emerged from the ominous fog.

The schoolgirls were attacked one after another by these brutes from a parallel world. The girls' resistance was futile; they were crushed by the powerful orcs. Rape and death, only tragic screams echoed through the school.

Why did it become like that!? There was no one who could answer that question...

(Source: VNDB)

Be good, or you might get punished...

Everyone looks up to Ayaka. She's one of the most beautiful professors at the academy, with bright eyes, big breasts, and a brilliant smile. But she's got a tough side, too: she's coach of the Karate Club. Treat her well, and you'll be rewarded with all sorts of sexy favors... but get on her bad side, and you'll be flat on your back in no time.

So far, there's only been one guy bold enough to anger Ayaka: a brash new student named Togawa. One night, he finds Ayaka having a one-woman orgy in the gym shower room and decides to step in. Will Ayaka's temper flare up once again, or will she be swept up by her lustful desires?

Based on a game by Lune.

This is the sequel to Ride of the Valkyrie.

Goddess of war —valkyries— are both fierce and invincible in battle. But they have the defect of being attracted to normal male humans, which the inhabitants of the overworld noticed and decided to use in their advantage: not only to win battles, but to capture some valkyries and turn them into sex slaves. Freya was captured and the devils can now see exactly where each goddess is, leading to disaster.

Short special included in the Blu-ray/DVD Volume 2. Based on the game by Black Rainbow. Murakoshi Shinta appears to be just a doctor at a school, but secretly he has been taking advantage of his position to hypnotize any female student he likes. Now, after putting all of his targets under his control, he begins to turn the unfortunate girls into his sex slaves...

Feudal Japan was a land beset with warfare and strife. Families were torn asunder and siblings were divided by conflict and chaos. Matagoro Yoshimura has been hired by the feudal lords to seek out a treasure of incredible wealth - but there's a catch... the only way to find this cache is by gathering the pieces of the map that have been hidden on the backs of female ninja scattered throughout the land. The only time these hidden maps will reveal themselves is when the ninja carrying it is in the throes of passion. Is Yoshimura "up" to the task of putting together the puzzle pieces and finding the treasure?

A high school student has feelings for his teacher and decides to write her a love letter. The teacher rips the letter into pieces in front of the class, humiliating him. Dejected, the boy visits the student nurse to make some sense of the situation. The nurse tries to console him by giving him some pills, and proceeds to fuck his brains out – as they all do. The teacher walks in on this and shit hits the fan. Potential threesome? Or murder mystery?

Source: hentaihaven.org

Nozomu is a student, but famous in the field of psychiatry. He works hard every day to find a way to remove mental concerns of women. Actually, his deceased father worked on this theme and he now takes it over. One day, he submits a report, but it is thrown out soon. The theme of his report is, "Women's current concerns attribute to their past mental conflicts, especially during adolescence. By removing their past mental concerns with hypnotism and making them experience a satisfying school life, their depression will be cured." "It's just an armchair theory. No one will believe it." Nozomu gets upset and makes up his mind to prove it. Days later, he somehow collects three girls, Mirai, his mother, Kyouka, Mirai's friend, and Izumi, his old friend. Like this, his grand experiment involving "married women in sailor's uniform" starts....

Hatsune is enjoying her vacation on a cruise. She was brought by Sensei, who she hasn’t had to herself for a while. Tolerating the embarrassment, she shows off her excellent body with a skimpy bikini that Sensei told her to put on. She was filled with joy after Sensei expressed his want for her to make friends with those of her age as he fucked her with his rod that stuck out from his swimsuit.

On the other hand, there is the cheeky model magazine that makes her manager/teacher quell her body whenever she gets hot. She complains to him saying “Why do I have to look after the exchange student?” but is easily coaxed into doing what he says… Simple as ever, Shizuka ends up meeting with Hatsune who has come to her school. Dumbfounded on how someone could look like a princess straight out of a story, Shizuka gets all buddy with Hatsune saying that she would love to meet her father who is a legislator. Thinking to herself that using her weapons as a high school girl would be more than enough for some legislator, she goes to visit Hatsune and the legislator, but…

This explicit anime takes place at an unusual school in which sex between students and, above all, with teachers, seems to be the norm rather than the exception. The series focuses on Yuichiro, a formerly good-natured student who has turned twisted since being falsely accused of rape at a previous school. At his new school, he encounters a group of perverted, abusive bullies, some of their victims, and any number of extremely attractive and libidinous young instructors.

Before she got married, she was a playgirl who made love with numerous men. But she thought such a life was meaningless, and married an honest man. While she is spending a peaceful life, she happens to meet an ex-lover.

Source: AnimeNfo

No friends, daily beatings by bullies and even his parents have given up on Ryouichi. However, his life changes one day when a new girl transfers into his class. Chihiro is an old childhood friend, and she remembers Ryouichi. She is unaware that he has suffered brain damage from an injury he suffered while they were playing as children. Riddled with guilt, she offers to do anything for him. Taking advantage of the situation, Ryouichi demands sex from her. Her conscience does not allow Chihiro to back out, and she agrees. Ryouichi quickly learns that he is infallible in bed, that he has a secret weapon. After years of abuse at the hands of his classmates, he only has one purpose... Revenge. He sets out on a carnal, perverse journey to turn all the women that disdained him into his personal sex slaves...

Based on the game by M no Violet.

The elite doctor Kuwabara Souichirou couldn't forget his feelings towards Nanase Ren, whom he had loved in his youth. He changed the hospitals he worked at, one after another, to look for her, and finally he met her again at the St. Cattleya Hospital. However, her attitude was remote and his love couldn't be fulfilled. To make matters worse, he received photographs depicting Ren being molested.

Ren had been turned into a lewd woman by Hirasaka through the woman body experiment when she was at the St. Julianna Hospital. He was disappointed and he lost his mind. Kazama Mana, who was a nurse of the gynecology and obstetrics section, loved Kuwabara, and she resembled Ren. Taking advantage of her feelings, Kuwabara raped her and took her virginity while shouting the name of Ren.

As night arrives the shadows of Koga fall on Iga and a new threat exists for our lusty vixens. After a torid sexual encounter Yatsurugi Shinobu's best friend Mashiba Aya is infected with a parasitic bug and succumbs to its will. Having the same insatiable urges, the same tragedy is about to happen to Kage Lena. The only known antidote is stored deep within the labs of the Koga Institute and is the only thing which will save Kage Lena.

The story centers on high school student Kaga Michio. Wandering aimlessly through life and the Internet, he finds himself transported from a shady website to a fantasy world — reborn as a strong man who can use "cheat" powers. He uses his powers to become an adventurer, earn money, and get the right to claim girls that have idol-level beauty to form his very own harem.

Episode 3: Meeting at a Festival, in a Bath and a Harem Paradise Due to unavoidable circumstances, Haruomi is freeloading at his relatives', the Orifushi sisters', house. Since that day, his common everyday life has come to a screeching halt. The eldest sister is the gentle and maternal Natsumi. The second is Akina, a bright and cheerful girl for whom a smile is well-suited. The youngest sister is the bratty Mafuyu. The curtain rises on Haruomi's new life in the company of these three beautiful sisters.

Based on the manga by Yasui Riosuke.

Yano Megumi has been absent from school for a while, so Igawa Akira is sent to deliver some notes to her and tell her about an upcoming test. While there he peeks at her sketchbook and discovers that she likes to draw yaoi manga, but some parts are off due to her inexperience with boys. Jokingly, he offers to show her what she has not seen, and one thing leads to another... Things get complicated when Fukuhara Shinobu, the class president and Igawa's childhood friend, gets involved because she likes him. And later even their teacher Susie Fujikawa joins the fun...

Based on a game by CLOCKUP.

Cannone is a violin that entrances people. Ceillia is a violin that was created by the angels that seals Cannone.

Akio became a teacher for St. Cecillia Academy. He found Cannone sealed in the torture room under the chapel, he was fascinated by it`s power. The other violin picked a girl to use it`s powers to steal Cannone.

(Source: Animenfo)