Stop putting words in my mouth. Cheating is used on netorare games, netorase game, netori games, and somtimes its not. Cheating is just too broad of a tag so devs don't know if they need it or not.
Indeed.
Cuckold is not cheating because the girl has permission, but Netorase is a mixed bag. She has permission, but to be Netorase the MC will lose her, either physically or emotionally where she stays with him but is in love with the bull. Thats kinda sorta cheating, but pretty subjective in how you want to apply that logic.
Not exactly, in fact "western" cuckold is probably what's most related to netorase, as it's basically what you explained at first : netorase is about the girl cheating with the permission of the mc, either because the mc asked her, or she started at first because she knew of his fetish and he allowed it to continue.
vndb tag system is quite robust and explains it better (in fact wish all the ntr stuff was used from vndb) :
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If she falls in love or is fully corrupted by the bull, then the story isn't netorase anymore, it's netorase with a netorare ending.
Netori is cheating from the perspective of the girl, but not the MC, and most tags are generally from the MCs perspective, so do we use cheating here? Probably so, but maybe not, who the hell knows.
No, netori is usually from the perspective of the bull, the player is the one stealing the girl from someone else.
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All of this is pretty logical if you take a look at how Japanese "verbs" are conjugated.
But it all leads to the same thing, cheating is a shitty tag that doesn't help you narrow down a search range, it's too broad.
Correct, I honestly don't see the point of all this argument while clearly, people into netorare aren't always into netori, and vice versa.
These are very different fetishes under the same "cheating" veneer.
It's like saying sadism is the same as masochism since it can all be under the "SM" umbrella.