In a last-ditch effort to lose his virginity and die right after, Takeshi draws a demonic circle in hopes of summoning a succubus to wring him dry. He successfully calls upon one named Miyu, however, she is also a virgin—completely inexperienced with her sole purpose. While Miyu’s best efforts to please Takeshi to the point of killing him are not fully effective, perhaps the unity of these two virgins can help them realize their true destinies. Meanwhile, a man named Shuu has recently moved to a new apartment where he notices a blonde doll sitting above his closet. Following the decision to take care of it out of fear that a curse will befall him if he disposes of it instead, he finds himself brimming with good luck. Eventually, the doll assumes a human form and introduces herself as Nina. As if things could not get any better, she promptly proceeds to alleviate Shuu’s sexual desires. [Written by MAL Rewrite]

A 16-year-old named Naoki Oikawa is addicted to masturbating. One day, while pleasuring himself as usual, his erotic magazine begins to glow and Naoki suddenly finds himself in a fantastic world. He appears among three female adventurers who later present themselves as the swordswoman Filia Shiora, the priestess Tiane Rutheim, and the elf Llusse. They explain to Naoki that the world is in danger of destruction due to the resurrection of the Demon King, and the only way to save it is for him to use his special power—feeding his semen to the three girls so as to increase their strength exponentially. Of course, the young hero agrees to join the party, and his erotic quest begins. [Written by MAL Rewrite]

A special governmental program has been introduced to counteract the declining birth rates of demi-human races suffering due to a lack of male members. Through a so-called “assistance system,” randomly selected humans are required to mate with designated partners—be it elves, sirens, or even dragons. Iris Thea Eaderlindt, an elven princess known for her open-mindedness and friendly attitude towards humans, is transferred to the Ark Metropolitan Academy. Coincidentally, her new teacher has been selected as her mating partner. Anxious yet determined to fulfill her duty of securing the future of her race, she starts partaking in sexual activities with him. To her surprise, Iris discovers that her partner’s ancestors were orcs, well known for their extraordinary sexual prowess. As more demi-human students join the class and find out about their teacher’s “side job,” it becomes increasingly difficult for Iris to keep her partner’s attention solely on her. [Written by MAL Rewrite]

Colette has been living a happy life as an apprentice alchemist, but when a mysterious stranger pays her master Priscilla a visit, Priscilla sets out on a journey. With her master gone, it’s up to Colette to inherit the workshop and help those in need while also embarking on adventures of her own! (Source: Steam)