The main LI sleeps with other Men right after sleeping with you. That's NTR, period, its not up for debate. Just because you're not married to her and chained up watching her get gangbanged doesn't mean it's not NTR you clown.
Just admit you're a cuck simp with Testosterone levels lower than a teen girl. It's okay, you're allowed to be a cuck, at least have the balls to admit it