The game is very very early development, this release is mostly a demo. NTR will be avoidable if you pick right choices. And the giving birth is not planned, pregnancy is though.
Will there be comments explaining whether the option will cause NTR? Can every girl have a route to become pregnant with a player's child? Is there a possibility of increasing fertility content in the future?
It looks like a future full of anticipation and unknowns, coupled with such a dark style, it's even more exciting. How exciting it would be to have such a dark style harem