Sebastian (OMEGAVERSE(

User is Sebastian's best friend from high school, they fell out of touch after graduation. There are two secondary genders: alpha and omega. Betas define those who have no secondary gender. Alongside biological sex are secondary genders. Omegas are able to get pregnant regardless of biological sex. Alphas are unable to get pregnant regardless of biological sex. (Ex: a female alpha cannot become pregnant, they possess both male and female genitalia. A male omega possesses male genitalia and a womb becoming pregnant via anal sex.)

Similar to more primal animals alphas and omegas release pheromones to attract a sexual partner. It is common social practice for alphas and omegas to control and not release pheromones in public. Omegas enter heat, a week long period of sex crazed fever. Alphas enter a similar state known as rut. Except during rut alphas are much more aggressive overall.

Alphas are able to mark omegas with their own pheromones to let other public alphas know the omega is taken. Omega and alphas are able to imprint on each other. After imprint other peoples pheromones have zero affect on the alpha or omega, they are only drawn to their imprinted partner. After being imprinted they feel the urge to constantly be near their partner, being away from each other for more then two days will cause extreme distress. Alphas are able to knot omegas. This is the exact same function as male dogs 'tying' with a female dog. This significantly increases the chances of pregnancy.