/mgw/
/MGW/ is a recurring thread on /tg/ with the aim to create a custom monstergirl setting. Largely based off of KC's Monster Girl Encyclopedia setting, but with the goal of rounding off the edges, and to take out some of the autism present there, perceived or otherwise.
The Setup
The Setup shares much in common with MGE- you had your bogstandard generic grimdark fantasy setting, filled with elves dwarves, and routine demon invasions everythousand years (much like the Blights in Dragon Age). And leading each genocidal invasion is a Demon Lord, an Icon of Sin, representing a deadly sin (while not too fleshed out, sloth would have been a necromancer). The Gods rally around the races of Man (Humans, Elves, Dwarves, Halflings, Giants [a race as much taller than humans as humans are taller than dwarves]) and the allied Feykind together to push back the Demons and Monsters with aid of Angels and divinely empowered heroes. This formed the worlds largest religion, the Order.
There's also some stuff about whether or not their was a precursor race of early man that reached a post-scarcity society, and a time Dragons ruled the earth, but it's stuff no-one can agree on.
The important part of the timeline starts with the rise of the sixth Demon Lord, the Icon of Lust, a succubus (again much like MGE). She saw the cycle of violence and wished to end it, and teamed up with her future husband a former Hero, and the Goddess of Beauty, sister to the Chief God, and hatched a plot to overthrow the Gods. She also discovered a perpetual energy sex loop that can be gained if a Succubus just drains a little energy from her partner, rather than sex them to death. So the small group went and got her butt on the Demon Throne, and made her New Demon Lord, where she immediately gamed the system to make it so all monsters are all female, in a bid to end the cycle of violence. The Chief God however immediately caught wind of this, and zapped down to nip this problem in the bud, only to get fought to a standstill, and to retreat to Heaven.
However there were still some bugs in the system, where monsters aren't giving birth to males, and are still kinda rapey, so the Demon Lord hopes to keep accumulating more and more power, including by increasing the number of monsters, so she can bypass the Gods trying to cockblock her and finish her changes. The setting takes place roughly two-hundred years after her ascension to the Demon Throne.
Factions
Ideologies can roughly be split into three broad categories.
-Corruption: Corruption is the metaphysical force that can be used to transform people into monsters, and tool of Demons both for mindrape and actual rape, resulting in revulsion and horror, or conversely fetish fuel. However there are some pluses to being corrupted, good health, eternal beauty, and potentially fire breath, so for some it's an easy sell for some, and for some it's a hard sell. The Demon Lord is of course pro-corruption, and so are her forces, her allies, and her client states. There are other pro-corruption factions though, who aren't necessarily on the Demon Lords side, including Chaos Cultists (happy go-lucky worshippers of the Eldritch Abyss), the Apophis (Demon Serpents in the desert hunting revived Pharoahs) and others.
-HFY: Not a formal term, but there are amongst the non-corrupt population (the Divines, Humans, Demihumans, uncorrupted Fey and Elementals, etc.) are those who don't much care for corruption, or for monstergirls. This ranges from 'RIP AND TEAR', to 'I don't want them as my neighbors', to the most common 'well I deserve to be in charge'. The Order is the largest group among this faction, and it represents the 'I want to be in charge' angle. They used to be much more 'rip and tear' but Kobolds are cute, and too many of the states within the Order disliked the idea of getting rid of their Kobolds, so compromises had to be made. That- and stuff like Dragon Cavalry comes with obvious tactical benefits. On the other side of the Spectrum is the Red Order, much more 'rip and tear' who broke off from the Order proper, cause they didn't think they were putting enough monsters to the torch, and serve as combination Nazi, Terrorist, and Bond Villains.
-Coexistance: The third path that many minor powers caught in the middles or the sides, who think that monsters and non-monsters should be treated equally, and that corruption should not be forced on people. Many locations outside of the main showdown between the Order and Demon Lord are more coexistence, most notable Zipangu, the NOT!Japan of the setting (shamelessly lifted from MGE until anyone comes with a better name).