i feel like you would have a easy time just making a mod for haydee it self. like some grab mechanics and animations. i know some people would kill to have that. why not give it a try and see how it goes.
Unfortunately, you are completely mistaken here. The modding tools available in Haydee 1-2 are quite limited, and in order to introduce sex animations with mobs, you would need to write the mechanics for player interaction with mobs of that level.
