I'm pretty sure the main character doesn't actually know what NTR means.

Nene and the guy don’t have to be a relationship for it to be ntr.

Ohhh one of the authors is the author of the Constable yuri??? Nice

I'm pretty sure the main character doesn't actually know what NTR means.

Nene and the guy don’t have to be a relationship for it to be ntr.

NTR is whatever a person wants it to be.

Evidently.