Her half-hemana Laura wants to exercise and decides to ask her help psrs to do it correctly, she ends up being fucked by

Hi, how are you? Well, look who bought me this workout outfit.

I want to get into gym but I don't know how to exercise. Are you going to go to the gym?

Let's see how it fits.

Hey, it looks good on you.

But the thing is, I don't know how to exercise.