This is the narrative pivot point. While many NTR stories end in tragedy or submission, the "Response" narrative introduces a reaction. This is the payoff where the victim, the protagonist, or a third party retaliates against the harassment and the infidelity. It transforms the story from a tragedy into a struggle for justice or revenge.
Finally, we must address the elephant in the room: Some NTR and harassment storylines depict illegal acts (rape, revenge porn, stalking). In many jurisdictions, writing about an illegal act is protected free speech. However, if you encounter a real relationship where one partner is using NTR tropes to justify real harassment ("It’s just like that anime"), your response must escalate. Complaint Response NTR- Sexual Harassment of a ...
This is the breaking point. The "theft" occurs, usually facilitated by the harassment mentioned above. The defining characteristic of NTR here is the secrecy. The partner hides the truth from the protagonist out of shame or fear. The protagonist senses a change—the partner becomes distant, cold, or secretive—but cannot identify the source. The audience, privy to the manipulation, experiences a sense of "dramatic irony" and frustration, knowing the truth while the hero remains in the dark. This is the narrative pivot point