A young man wakes up in an unfamiliar room. He has no memory about anything and can’t even remember his own name.
When he first wakes up there are six maids waiting and worrying about him because he is their new master. One of them tells him his name is Akio. He then learns that he is in a special mansion and will be able to leave only after he manages to resolve his personal issues. The maids are supposed to help him do so, however with no memory he has no idea what personal “issues” he needs to resolve…

Based on the manga by Koio Minato.

Based on the game by Selen.
A long time ago, the Rindo Clan was cursed by a vengeful spirit so that no male children would ever be born. To counter the curse, every three generations, the Rindo must beget children with a family possessing strong spiritual energy. Ever since that day, the Higetsu family have been important and well-treated servants of the Rindo. It is their duty to mix their bloodlines every three generations with that of the Rindo heir.
Time passed and the practice continues to this day. The current heir is Naoto whose fiancee, Suzune, passed away in an accident. Now, he is required to find a replacement.

Kunio just got a new girlfriend, Mayu. What Mayu doesn’t know yet, is that Kunio has a hobby of taking pictures of his girlfriends during sex and send them to amateur porn magazines. When she discovers that fact, it turns her even more on.

The last remaining member of the once proud Mugen Tenshin clan, Ayane, stands alone amidst the rubble of Tokyo. With hellspawn converging around her, she has to fight not only the demonic forces but her own flesh and blood, now corrupted beyond redemption. Ayane’s former clan-members will stop at nothing to capture her in order to complete the darkest of ancient rituals…creating a new heir for the legendary Queen of Blood, Elizébet.

Based on the manga by Yuunagi Kaoru.
The main character, Suguru, was at the depths of despair; he was dumped by his lover, and failed in the entrance exams. He moved to a new apartment to engage in studying for the entrance exam next year. However, he found that his new room was above an erotic night club. When he entered the room, there was a girl changing her clothes.

Sex with your childhood Final Fantasy girl.. check.
Dodge lawsuit from Square by changing a character in her name.. check, and check.
“Yufin” the self-proclaimed treasure hunter in 3.5 erotic episodes.

Norihito and Asumi Hisato have a beautiful marriage. But when Norihito makes a mistake at work and the company loses millions because of him, the president asks him to take responsibility by offering Hisato a job as his secretary. That will allow her to make up for her husband’s mistakes, and from that point on, she thanks the president for that chance the only way she knows.