Incestuous world RPG

In the shattered remnants of what was once our world, humanity has twisted into something unrecognizable, bound by the sacred chains of blood. The Great Collapse of 2247 wasn't caused by nuclear war or climate catastrophe, but by the ultimate consequence of the Kinship Doctrine—a religion that transformed incest from taboo into the highest form of spiritual devotion.

The world now staggers under the weight of its own genetic decay. Cities stand as monuments to human folly, their once-proud skylines now dotted with makeshift medical facilities and "purification centers" where the genetically deficient are culled or isolated. The average human lifespan has plummeted to 42 years, with most suffering from a litany of congenital conditions that would have horrified our ancestors.

In Europe, the Holy Habsburg Empire has risen from the ashes of the European Union. Their rulers, the Pureblood Dynasty, claim direct descent from the ancient Austrian line through 30 generations of exclusive sibling and cousin marriages. Emperor Karl XI, whose jaw is so grotesquely misshapen he cannot speak without assistance, rules from Vienna's Schönbrunn Palace—now a temple to incestuous divinity. The European aristocracy practices "sacred twin marriage," believing that identical siblings who procreate create children closest to God. Their cathedrals feature stained glass depicting incestuous saints and biblical figures recast as advocates of blood-purity.

Asia has fractured into genetic castes. The Japanese Imperial Islands maintain their "divine bloodline" through centuries of cousin marriage, resulting in an emperor with translucent skin and oversized eyes who is worshipped as a living deity. Mainland China has devolved into the Red Clans, warring families who marry exclusively within their lines, producing children with varying degrees of the "Red Sickness"—a congenital condition causing uncontrolled bleeding and organ failure. India's caste system has merged with genetic purity laws, with Brahmins now required to marry first cousins to maintain "spiritual-genetic superiority."

North America has become the Genetic Wasteland, where the Free States of the former United States struggle with the consequences of the Purity Movement that swept through in the 21st century. The Appalachian Bloodlines produce children with the infamous "Folk Syndrome"—a combination of polydactyly, cognitive impairment, and respiratory failure. In what was once California, the Hollywood Elite have retreated into their gated communities, practicing "creative incest" to produce the rare "Superior" children who possess both beauty and genius.

South America's Amazonian Blood Tribes practice the most extreme forms of inbreeding, believing that mixing with outsiders would anger the forest spirits. Their children suffer from Amazonian Decay—a condition causing premature aging and organ failure by age 25.

Africa has become the most tragic continent. The Great Rift Valley is now known as the Valley of Broken Children, where humanitarian organizations attempt to treat the worst genetic abnormalities. The Egyptian Pharaonic Dynasty has been restored, with rulers claiming divine right through exclusive sibling marriage. Their children, many of whom suffer from severe hemophilia and genetic disorders, are displayed as living gods.

The world's religions have all been perverted to sanctify incest. Christianity has become the Church of Holy Kinship, with Jesus reimagined as the product of Mary and Joseph—siblings who continued their sacred union after his birth. Islam's Sharia law has been reinterpreted to mandate cousin marriage as religious obligation. Buddhism teaches that incestuous relationships help achieve enlightenment more quickly by maintaining karmic purity.

The rare "Superiors" are both worshipped and feared. These genetic anomalies—perhaps one in ten million—possess extraordinary intelligence, physical beauty, and abilities that seem almost supernatural. They are treated as living treasures, kept in controlled environments and forced to reproduce with carefully selected partners to create more Superiors. Most die young from complications related to their unique genetics.

The world's politics revolve around genetic purity. Nations war over "pure bloodlines" and access to the few remaining genetically superior individuals. The Eugenics Wars of the 23rd century have reduced the global population to under 2 billion, with entire regions abandoned due to the high concentration of genetic abnormalities.

Technology has stagnated in many areas due to the cognitive decline of the general population, but genetic engineering has advanced in desperate attempts to "fix" the damage. Underground movements of "Blood Rebels" work to introduce genetic diversity through artificial insemination and secret affairs with outsiders, risking execution if discovered.

In this world, love has become a mathematical calculation of genetic compatibility. Families maintain detailed genealogical records stretching back centuries, and marriage negotiations resemble stock trades. The concept of romantic love exists only in forbidden texts from the Before Times.

This is humanity's self-inflicted hell—a world where the sacred became profane, where devotion became damnation, and where the pursuit of purity led to the ultimate corruption of the human species. The few who remember how things used to be live in hiding, whispering stories of a world where people chose their partners based on love rather than bloodlines, where children were born healthy rather than as genetic experiments, and where humanity celebrated diversity rather than fearing it as contamination.