A war is being fought between the goddesses of dark and light. While the former try to steal the jewels from innocent women, leaving lifeless husks, the latter hunt the evildoers. Both types of goddesses are equipped with powers to fight, but their strongest weapons are their retractable penises—flooding the enemy with pleasure is the only sure-fire way to win.

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.

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.

During the Civil War, the powerful landowner Carson had a beautiful daughter with an innocent heart. As Faye enjoys an intense sexual relationship with her friend John and her servant girl Sophia, the end of her innocent days draws near. The mysterious Lord Mark has set his eyes on her and will stop at nothing to get her.

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

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.

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.

Otaku girl meets otaku boy and things get weird…