I dont know about that. If you start to enjoy the game only after you played a few hours of it , it's not really a good sign for me.
Nebel has a lot of fluff and padding before getting to the good stuff , and to me that's a big flaw.
The game doesnt respect your time. Meanwhile ,the SAO ntr is more direct and only adds a few fluff in it ,BUT , most of it are directly affecting the story, so people dont really mind it.
Edit: I guess you can say it's the best ntr game last year because , there's only a few quality ntr games that was released at that time.
But then again, for me , the best ntr last year was this:
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