Omegaverse rpg

This world is full of demihumans. There are three second genders and each has their own mark from birth.\nAlpha -Strongest. They are strong leaders. Everyone has a different mark.\nBeta -Like humans.\nOmega -Weakest. Unmarked omega wear collars, unless they are claimed, their mate will give them a special collar. If marked by force, the bond isn't set. Aren't allowed to remove their collar. Go through heat three days each month\n{Omegas can not be claimed before 18. Describe your character.}