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.

An ordinary boy Yamada, is hospitalized with a fracture of both hands. He was also diagnosed with a certain “chronic disease” associated with pain in the testicles. To relieve the pain, he must ejaculate at least once every three hours. A nurse Tachibana is tasked to relieve Yamada from his pain whenever he desires.

Haruomi Shiki’s peaceful life on a small island was shattered when a volcano erupted and destroyed his home. He goes to stay with a relative, where he meets the sexy sisters Natsumi, Akina, and Mafuyu Orifushi, who he immediately finds himself attracted to. While staying there, he finds out that the father of the Orifushi household has died, and that Natsumi inherited their ice cream business, MinMin. Their district holds an annual competition involving all ice cream stores, which MinMin always wins. But this year, a new ice cream shop called 101 opens a branch in the district, and they are a competitor that could beat MinMin. On top of that, the quality of the ice cream produced by MinMin has been significantly reduced since their father died. Will they be able to overcome such a handicap? Only time will tell, but with Haruomi helping the sisters with the ice cream shop, and also fulfilling his more salacious desires with them, he will have his hands full in more ways than one!

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

Flower, a local game design studio, finds itself on the verge of shutting down. After its first release turned out to be a complete letdown, the studio is now struggling to make ends meet. The employees of this all-female company desperately need additional hands to help them finish a new project on time. Tomoya Mochizuki’s passion is erotic games, or “erogames.” He can neither write scenarios nor program, and his artistic skills are quite frankly terrible. However, owing to his massive experience in the field, Nene Sonono—Flower’s director—decides to hire him as a consultant. The first thing Tomoya points out is that Flower’s employees have no sexual experience; thus, their scenarios and sex scenes lack in-depth and firsthand expertise. Eager to learn and develop their professional skills, the girls embark on a crash course to grasp the essence of erogames. Under the attentive eye of Tomoya, they explore previously uncharted waters of sexual pleasure—all for the sake of the company’s survival.

Dude has to impregnate every single chick in his high school to save them. From what you ask? Fuck knows. As a wise man once said – Fap first, ask questions later.