Even if the girls leave him he wouldn't be ntred as he isn't interested at all (unless author changes it). He is basically a less intense version of what a pimp do. And pimps don't get ntred they just change target.
Yea like I forgot the name but the real MC was the friend of the that world protogonist. I think all the heroins don't know that that world mc is actually a girl. But Mc finds that mc to be a girl and they both goes out with each other. I read it 2-3 years ago probably doesn't update anymore