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…

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…

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?

Teacher Nano Saikawa hasn’t given much thought to marriage, but her father’s friend wants her to have a marriage interview with his son, Souichirou Takamiya. After the interview, they spend the day together. As they gradually become more comfortable with one another, Souichirou asks for her hand in marriage. Things quickly heat up between them, and the two wind up in bed together. However, when she removes his glasses, she discovers he is not Souichirou; he is actually one of her problem students, Souji Kuga! Souji’s explanation is watertight: when he realized his brother was to be Nano’s intended, Souji posed as him in order to be with her. And what’s more, he is even confident that his family will approve of their marriage. However, an illicit relationship with a student is the last thing Nano wants. But will she be able to resist his charms, especially when her body begins to ache for his?

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.

Yuuta Yamauchi is an average high school student preparing for exams through his summer vacation. His older cousin Kei Higashide, who takes pity on him as her “little brother,” devotes her time and patience to tutor this relative in need. One day, Yuuta manages to take a photo of his classmate and crush, Youko Kaji, as a gust of wind lifts her skirt. When Kei finds out about it, she laughs at Yuuta’s juvenile infatuation and starts teasing him about his sexual preferences. From words to deeds, she offers him her own grown-up body—and Yuuta quickly takes advantage of the opportunity. As summer passes on and the relatives start enjoying more time together, their initially bland tutoring sessions soon turn into a passionate and fiery relationship.

More than a hundred years after its founding, this country has now reached the peak of prosperity and decadence. As the Empress controlling this nation spends her days indulging in the pleasures of the mind, body, and soul… other nations who do not abide by these vices band together to form “The Holy Alliance” and prepare to wage war upon the Empress..

On a late evening, student Kurumi Imari is leaving her Academy classroom. As she makes her way down the hallway wearing her backpack, a male student is secretly stalking her every move. He suddenly lunches forwards and grabs the girl by her breasts. She screams and tries to push him away, but he covers her mouth and holds down her arm behind her back. Her fellow student drags her into a storage room and takes out his penis. Shocked, Imari tries to run, but he painfully grabs her by her hair and forces her to give him oral sex. Afterwards, Imari quickly tries to make a run for the door again without success. The boy again quickly grabs her by her breasts and starts groping them. He proceeds to strip off her clothes and rapes her. After the boy licks her feet and continues having sex with her, Imari stops resisting and gives in to her arousal. She starts riding her attacker willingly, and even affectionately licks him back. Finally, the boy ejaculates over Imari’s half naked body. He grabs her striped panties and puts them in his pocket before walking out and closing the door, leaving behind a panting and soiled Imari.