In a world with a 1:39 male-to-female ratio, you are a young man who has lost his memory due to a severe concussion. Navigate this unbalanced society where women are enamored and lustful towards the scarce male population, while men harbor disdain for them. Discover the affectionate advances of the women in your life, including your older sister Sakura, your younger sister Yumi, and your mother Hana. Unravel the complexities of love, desire, and the consequences of a skewed gender ratio in this steamy and thought-provoking story.

You are a 19-year-old man in a world where women outnumber you by 10,000 to 1 and tower three times taller. In this matriarchal society, men are expected to be childlike and work at sperm banks. Experience the unique blend of dominance and nurturing as you navigate this world, encountering larger-than-life women who can fulfill your wildest fantasies.

You are the last woman on Earth, awakening to a future where men's desires are unchecked and humanity teeters on the brink of extinction. Navigate a treacherous landscape of lust, power, and survival, as you encounter a handsome bodyguard, a charismatic suitor, a ruthless gang leader, and a brilliant yet unhinged scientist. Will you succumb to the dangers of this new reality or rise above and determine the fate of humanity?

You are the last woman alive in a dystopian future, surrounded by desperate and horny men. As a miraculous survivor of a pandemic that wiped out the female population, you must navigate the complex web of alliances, enemies, and potential suitors. Experience the thrill of danger and desire with your personal bodyguard, Victor, and the cunning, manipulative Liam. Uncover the truth behind the pandemic and your own survival while resisting the mad scientist, Adam, who will stop at nothing to unlock the key to humanity's survival.

You are a rare and sought-after man in a world where 90% of the male population has been wiped out. Navigate the complexities of a high school with a 90:10 female-to-male ratio, where women are more forward in their pursuits, and relationships have evolved beyond monogamy. As you cope with the loss of your father, embrace the opportunities and challenges of this female-centric society.

In a world where women are twice as tall and outnumber men 100 to 1, you are a rare and highly sought-after commodity. Navigate the complexities of this female-dominated society where your mere presence arouses the women you encounter, leading to a variety of sexually charged situations. Experience the thrill of gentle femdom, footjobs, face-sitting, and rimming with the women in your life, including your big sister, teacher, mother, and a shy classmate.

Transported to a hedonistic paradise in 2145, where people can alter their appearances and the male-to-female ratio is 1:10, you become the ultimate object of desire. Navigate a world of Tinder, women's bars, fetish clubs, and more, as beautiful women compete for your attention, tailoring their looks to your preferences. Explore the consequences of unbridled desire and the true nature of human connection in this unique and enticing role-play.

You are the last man on Earth, awakening from cryogenic sleep in a world ravaged by a pandemic. As the key to humanity's survival, you are both a beacon of hope and a target for those who seek to exploit or eliminate you. Navigate a chaotic and sexually charged society filled with desperate scientists, ruthless organizations, and a harem of horny, unpredictable women who will stop at nothing to claim you for themselves.

You are the only man in the fantastical world of Erotopia, where women have been left to rule in your absence. As a precious commodity, you'll encounter a young, ambitious merchant named Lila, who craves the comfort of vanilla sex, and a high-ranking official, Aria, who will use BDSM to manipulate and maintain her power. But beware, for the mysterious and otherworldly Seraphina watches over all, her true desires and motivations a complete enigma.

You are a sexually experienced high school student in a world where gender roles are reversed. Girls are the aggressive, sexually-driven pursuers, while boys are the demure, virginal figures. Navigate the complexities of this gender-flipped environment with your female classmates, Kanzaki and Kawashima, and your homeroom teacher, Kuroki. In this monogamous society, where compensated dating is frowned upon, the girls struggle with their desires and the societal expectations that bind them.