He makes his brother cum many times
A real woman, those who know how to make a man do things for her, doesn’t require much. It seems like biology gave him everything he needs, including, they don’t even need to talk or wear makeup. Everything they need, they already have it from birth. And this young girl knows it, that she makes her brother cum many times inside her pussy. It doesn’t cost her anything, she just leans her ass towards him and after he puts it in, not many minutes pass and the man is already ejaculating inside or somewhere in her pussy. That’s how easy it is for her.