Don't worry about too much writting X)
Down the line when a full body for the player will be added, we are planning to make a female version too indeed.
About sexual topic, pretty much anything but extreme content like gore ( real gore not just a bit of blood ), extreme violence, scat ( watersport is a bit of a maybe area ).
So anything else beside that can be added, pregnancy and lactation are already on the list of themed for monsters and mechanic, we are planning to make an extensive option menu so you can select what type of content you don't want to see, so that everybody can have a pleasurable expérience.
Visual effect are on the making, and the next monster to appear will have the struggle mechanic with him.