Yes, THANK YOU, that's the whole point I'm making; its a loose definition, so it could easily be applied to most of the characters. What do you not understand? When you say you're just wrong.
Well that's just kink shaming, are you proud of that one?
They do not start out as boyfriend and girlfriend, so it doesn't matter. If your argument is that that when they become a couple only then NTR will apply because only then would it be NTR then your still wrong, because the MC already has a stronger bond with Clara.