Thank you for summing up the mechanic and how it is used in the game. Personally NTR for me is a grey zone. I've rarely had issues with NTR in games because, as you wrote yourself, much of it is avoidable if you did the right choices. However pure NTR games for NTR sake is where I back out. So thank you for the proper explanation in regards to this title, especially the note about the Netori bit. Cheers
That's a rather superficial view on the boundaries of other people. I'm guessing we can also say the same about you and scat, vore, gore, necrophilia etc. All can be present in a game or video if the producer chooses it to. A game however uses mechanics, especially if it is interactive and that in itself means that choices you as a player make might put you on the spot. For me NTR or Netorare means the following. Getting cheated on, knowingly and/or being forced to see the act without being able to disrupt it whilst the LI in question gets either corrupted or broken. It also comes down to the narration of the game and how much immersion it offers for the player. If you connect with the values of the MC, the NTR act might be harder to swallow. There's a VN called School Days with multiple endings, which was also made into an ero-anime/seinen (not strictly hentai), where the producers of said anime adaptation chose the only bad ending in the game as the default ending for the anime. Back then it really shocked the audience, because there were many players of said game that were excited for the adaptation blindly trusting/hoping the anime would end in a happy ending. Instead the path towards the ending the anime took was NTR, rape, cheating, abuse, pregnancy and last but not least the murder of the MC and both LIs (IIRC) all done by one of the LIs because of warped jealousy, betrayal and being broken beyond fixing.