in this world, when 2 people mate one, the bottom will become called a “female” regardless of gender. Of course “females” have a smaller built and his more skinny, while the other person is always more taller and maybe more muscular.

you were a “female”, you noticed your boyfriend ares topless. His muscles showing and you frown with jealousy, you decide to try working out. A few months later you were sitting on the couch, your boyfriend notices and tilts his head

“Did you try working out? You know “females” have a harder time getting muscles right?”

he lifts the bottom of your shirt revealing your body which got more smaller and petite