Dude, for the fap material its a good one, at some moments pretty kinky and a fine one... just dont expect to see a nice ending.
As far as I'm concerned, I need to immedesimate in the story to be erotically engaged and fap...
... there's no point in the wonderful rendering (the best on the adult VN market!) if there's not an engaging story.
If it was only for watching realistic characters fucking... I would watch one of the millions of porn videos with REAL hot girls fucking and fap to it.
The entire point of adult VN is
immedesimation I must be able to imagine that I am the MC and I finally succeed in seducing all those hot chicks... That's erotically engaging: it's immedesimation that makes my old dick hard again, not the rendering quality by itself.
If the story tells me that the MC is not actually fucking that load of girls/women but he is as a loser as I am who is fapping with a simulation... How much sexually excited can I get? *LESS THAN ZERO!*
All that simulation plot twist is the
ANTI-VIAGRA!
An immediate dick softener...
YOU JUST KILLED IMMEDESIMATION.
And IMMEDESIMATION is the engine of any work of fiction, not only adult fiction.
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It's like if J.K. Rowling ended the second book of Harry Potter by writing that Hogwarts is not real, magic doesn't exist, between platform 9 and 10 at King's Cross there's just a wall with half a trolley placed there for dumb tourists to take dumb pictures, and
all you have read till now are just the fantasies of a woman who decided to be a writer for a living:
how many copies of the following books do you think she would have sold?