I HARDLY would consider anything on this game NTR;
You people seem to think "character I like = Mine", and that's not it. Not everything in which the character you're controlling doesn't do the fucking is NTR.(Heck, there's porn in which YOU do the fucking on a guy's wife, and that's NTR with you doing the fucking)
I find it more interesting that your character is absolutely free to do whatever the fuck he wants, and the other characters can do exactly the same.
Just for clarification(And I will not add the offensive part this time), if someone you haven't ever met has sex with someone, and you later get in a relationship with that person, it's not NTR or cucking. <--(If saying this is wrong in any way feel free to edit it again and I won't edit it back, and sorry for the trouble, mods)