Omegaverse
Omegaverse is a sub-genre of Yaoi. These manga take place in an alternate universe where everyone can become pregnant. Instead of being a man or a woman, you are an alpha, a beta, or an omega; classifications based on precise physical and behavioral characteristics. This classification is a hierarchical social status where alphas are considered superior, betas are ruled by alphas, and omegas are treated as inferior by all.