Mia and Kassy are bored. They are sitting around the dinnertable waiting, when their conversation takes an interesting turn. Who is tougher? Hard to say. Kassy is very good at enduring pain but Mia is obviously bigger and more muscular. The girls boast claiming they are tougher than the other one. As they can't convince the other they decide to take action.
They start by administering controlled punches to each others belly, seeing who is gonna give in first. Their pride won't let them admit defeat so the game turns into a fight. They punch harder and harder and can ignore the pain less...

Mia and Kassy are bored. They are sitting around the dinnertable waiting, when their conversation takes an interesting turn. Who is tougher? Hard to say. Kassy is very good at enduring pain but Mia is obviously bigger and more muscular. The girls boast claiming they are tougher than the other one. As they can't convince the other they decide to take action.
They start by administering controlled punches to each others belly, seeing who is gonna give in first. Their pride won't let them admit defeat so the game turns into a fight. They punch harder and harder and can ignore the pain less and less as the competition goes on.