Your first reply gave the impression that you were saying the game was mostly vanilla from the start and is just now getting ntr updates, which i totally disagree and think its actually the complete opposite, you would be missing like 80% of the scenes with ntr/netorase off. But yea fair enough, if you could enjoy the game that way good for you.
Really late response and I did read your last part of your response and I do agree with it. But I do wanna clear something out with this specifically.
No I wasn't talking about the game being made mostly Vanilla from the start because even back then with the original version as you even mentioned there, It had NTR part of it and has been there for so long. Yarizo being part of the original Test Dungeons was a testaments of this because obviously this is due Techno's previous expertise and focused content.
Really though what I was saying though is the game was seemingly design (even if Techno fails at applying this which led to the games current reputation) that both options of play of either NTR content and Non-NTR content had equal opportunity for whatever playstyle, In a sense it's not like you're supposed to miss 80% of the content if don't like NTR but rather you lose only 50% if you like either play style.
The game was basically apparently visioned that you can Be NTR'd, Being the one who does the NTR (Netori) or just be a Decent/Nice Person and all of them had equal focus of importance.