I've got basic faction ideas, all tailored for a Lewd-RPG project

BEWARE MAGICAL REALM

Feeling sexy does give you mental focus needed for magic,
Magic is so hard to control you also need bondage to focus,
On top of that, the magical money of this world cannot be taken by force, capture is encouraged.

>the (religious) empire
Empire where the Church is trying to take control,
Given the LEWD rules, they are the denial fetish, full of contradiction, they need the sexy mage, but claim it's not sexy.
They fight slavery, but need the desperate to power their holy ring which in fact deny pleasure

>the confederacy
A lot of kingdoms who only really agree on one thing: fighting the empire
They act like they are better than the empire and fight for freedom, but keep slavery out of sight to not offend allies.
They have the best magic school and are open to all, unless you insult their traditions and customs. bound mage waitress, petsuit festival

>the Order
No king, only sages voting, they cling to a lost period of glory.
They are martial warriors and rope bondage fetishist, they wish you no harm but to them Sexy require bondage
Look like good doer, have secret assassins.

>the Clans
Persian tropes, defend slavery, highly cultured traders
Only at peace to raid other faction.

>the Tribes
Tribal tropes, especially ownership of people, they are a matriarchy.

>underground magitek cities
Fear-based authoritarian councils, rules are needed to live underground of a deadly tundra
Claims to be against slavery, but convert it into their justice system
Above ground they are cold and prude, underground they are hot and promiscuous.

>control freak sect
Anarchist fighting against the divine power trying to bind everyone soul, they'll capture and reeducate the weak it corrupted.

>token oriental empire
Incomprehensible social order and heaven mandated laws