if it's going to be an incest game, I absolutely think there should be some sort of direct resemblance of the parents involved even if it's just things like basic facial features such as eyes and nose or skin tone and hair.
I mean, you're welcome to take it deep inside yourself as much as you like. I'm not here to shame you. Hell if you want someone to go in dry, I suggest biting a pillow to muffle the noise. But options be mine.
I'm good at litigation and can find loopholes in virtually ANY contract. For example, your authorization indicated both + and - which means they cancel each other out, ipso facto I have no requirement to be a sub or give up my options.