A lone tutor in a mansion in the mountains, with only beautiful women surrounding him… there’s only really one possible outcome.

They wake up in a white room remembering nothing The protagonist Takato Keisuke and 6 others are locked up in these hidden white rooms. His childhood friend Hokari Kanae, classmate Ando Miyako, underclassmate Mikaba Rika, English teacher Aoi Natsuki, same year Byakuya Rinne, and classmate Manaka Nemu. While still confused about their unusual situation, a “mystery voice” suddenly 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”.

Secret Obsessions 1: Daylight, Part A When Mine forgets to lock the door to his home, his friend Ayano slips in and forces him to go outside. As a result, he is obliged to help Ayano water her family’s cabbage fields. But when he accidentally splashes Ayano with his hose, the water reveals everything beneath her thin blouse. Secret Obsessions 1: Daylight, Part B At the Motion Picture Research Society, there is an ongoing competition to determine which film will feature Yuzumon, a woman that is currently the talk of the campus. While viewed as a pure angel, she is certainly far from it. Matsuyama is well-acquainted with her bad attitude, but when he discovers her secret pastime in the club room, he decides to lend her more than a hand. Secret Obsessions 2: Nightfall Part A Tanabe dreams of a romantic summer by the beach. As it happens though, Tanabe cannot swim. While trying to learn with the help of his beautiful instructor, he ends up taking things too far and drowns. Luckily, she links her lips to his in order to resuscitate him, bringing the two ever closer. Secret Obsessions 2: Nightfall Part B The Japanese Confectionery, named Tamano-dou, has been owned by Juuzou’s ancestors for generations. But because of Juuzou’s scary face, his business has not been going well. However, after Tae and Erena joined his staff to avoid starvation, business has improved. As thanks for saving their lives, the two aim to repay this hunk of a man in their own special way.

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…

Daisuke Ichijou goes on vacation to his grandmother’s beach resort. As he arrives, he admires the beautiful beach and even more beautiful ladies on it. Soon, he decides to start having fun “his own way.” He encounters many girls who will make this vacation unforgettable, including his old friends, the playful Nao Ihara and the wealthy Mitsugu Tsukushino, who proceed to compete over him. Daisuke also meets his cousin Maya Koromogae and her clumsy friend, Momona Amamiya. There are Kanae Shinjou and Mika as well, who also happen to “get involved” with Daisuke throughout his vacation. These six girls will be responsible for making Daisuke’s vacation intense, fun, and unforgettable. As they put Daisuke in many complicated situations, he finds that they often lead to passionate erotic activities.

A baseball team manager will do anything to help and protect her teammate boyfriend, including taking sex education classes with her coach.

Our protagonist Tatsuya was living a normal life as a video game fanatic and altogether average guy. One day he stumbled upon a dark-skinned beauty being attacked by dogs in an alleyway… One thing leads to another and she ended up living with him as she had nowhere else to go… With nothing of her own, she can only think of one way to thank him for his kindness…

Somewhere in the mountains, a little fox fell into a hunting trap. After lying there for several hours, she was on the verge of life and death. She was rescued by an unknown man (the owner of a mountain hotel), who happened to pass by. Several months passed, the fox’s wounds healed and she felt indebted to that person. The fox wanted to repay the man for his kindness and mercy. She took on a human form and began to look for her savior. By smell, the fox found a hotel at a hot spring, which was in charge of the person who saved her. Entering it, she found her savior on his deathbed, he was about to die. His only concern was his hotel and he didn’t want to talk about anything else. The fox, before his death, promises that by all means he will save his hotel from closing and restore order there. However, she understood absolutely nothing in the hotel business, and indeed in these human affairs. In search of at least some answer, she decides to search the owner’s room. The fox finds a porn book about hot springs and decides to use it as a guide to action…

High school dude starts dating this rich girl, but she ain’t really feeling it. She needs a real man. Someone who’ll spank her ass and make her say daddy. You know how this is going to end. *moment of silence for our fallen comrade*

Otaku girl meets otaku boy and things get weird…

Every school has secrets, but few leave a stain that won’t wash out. In a certain school, there was once a fun club centered around magic but had turned into murder and a lust for power. Sealed and willfully forgotten, the resulting evil of that day remained chained in the school’s basement. Twelve years later, high school student Taki Minase, while inspecting the place where the incident took place, uncloaks the secret plastered in blood—a book of magic called “Black Bible.” Trying his luck with its love curses, he soon finds out the magic proves real and easily penetrates the hearts and bodies of his fellow classmates. The resulting intercourse leaves the student body very vocal, and Minase’s acts do not go unnoticed. What was at first a simple stroke of curiosity becomes much larger and harder to control. Fully swallowed by the unshackled darkness, everyone he knows becomes a victim, including his childhood friend Kurumi Imari. Torn apart, Minase finally realizes his mistakes and that he must reverse them in time if he ever hopes for him and Imari to come together.

When Kanzaki receives a letter from Mari Setogaya asking to meet in their school’s PE storage room during the lunch break, he believes he will be receiving a love confession. He turns up eagerly, only to be attacked by his supposed admirer. The beautiful girl tries to knock him unconscious, but when she fails miserably, she explains that she is a vampire and had wanted to feed on him. Feeling pity for her hopeless state, Kanzaki reluctantly yields and allows her to drink his blood. As it turns out, Mari cannot stand the taste of raw blood but will perish without the nutrients it contains. Kanzaki is quick to find a solution, offering her a different bodily fluid to consume—and Setogaya instantly falls head over heels with this new flavor. The two soon start meeting regularly, and as time goes by, their relationship evolves into something more than just casual “meals” spent together.

“Hey Shouta, help me set up this new club idea I’ve got… it’s called the Sexual Help Club!”

Nowa the bear lives in the forest and adopts a puppy named Airi. Before going into hibernation, Now was worried that Airi wouldn’t wean. A few months after starting his hibernation, Nowa wakes up with a pleasant sensation from Airi, now an adult dog, licking his nipple saying, “I’ve been waiting for a long time.”

When Mina agrees to come as a last-minute invitee to a mixer, she is surprised to see her brother sitting across the table. However, she decides to bite her tongue and not reveal this to her peers—even when the king’s game that they are playing starts to get increasingly sexual. Elsewhere, the nature of Sayaka and her brother’s relationship changes when her brother discovers a hole at waist-level in the wall between their rooms. Will Sayaka notice her brother watching her most intimate moments?

Cheerful, studious, excellent grades, clean, and cute… everything you could ever want. Everything was as it should be… until HE got in the way.

A chick asks a guy out at her school. They have sex. That’s it. No tentacles, no rape, no ugly bastards.

A couple in love, thinking about marriage, have a tough decision ahead of them. They might have to move in with Tomoya’s father. However that isn’t even the start of the problem, upon showing up at his father’s house, Kanako realizes that not only does she know his father… but she has slept with him… multiple times.

He’s just a random loser otaku… why did his thing have to feel so… GOOD!? Kageura, an otaku with glasses, is tricked into joining a group of gyaru at a physical education warehouse. One of them, Yui, decides to play a game with him, but she loses. She then decides to deprive him of his virginity in front of everyone. Thus, since this incident Yui constantly feels a strong excitement deep inside her.

A middle-aged man who has lost his job and home because of his arrogant nature. Leading a vagrant lifestyle, he became embittered and aggressive towards society. One day he meets a mysterious beauty Shima Itski, who invites him to become the founder of the sex cult “Ishin No Kai” and in addition to this, she offers him a huge amount of money, a house, and a car. Of course, our hero just could not refuse the sultry beauty and now he has become the “Lord” of a mad sex cult with unimaginably depraved rituals…