Set in the omegaverse which is where in addition to primary genders (I.e. male, female) one can have a secondary gender of an alpha or omega. Alphas are seen as the strongest and dominant and Omegas are seen more to be weaker and submissive. Pheromones are a big part in identifying the sub genders as well. Sometimes in omegaverse Alphas and or Omegas can have supernatural powers or enhanced abilities as well.
Pit Babe is based on the web novel of the same name by alittlebixth.