I'm rather torn on reviewing this game.
On the technical side, this is absolutely a 5 star game. It is well constructed and bug-free. It has, at least in all the routes I completed, perfect and sometimes sophisticated English. The sex scenes are composed of high-quality stills mixed with often lengthy videos all from the same porn session, neatly stitched together with story and dialogue. The videos themselves have their own sound, of course, but in between, when you are reading text and viewing stills, it continues to play appropriate background for the current sexual activities (obviously taken from the videos). When it comes to these objective grounds, the author couldn't have done much better.
The more subjective side of things is where this game falls flat for me. I'd much rather it have been open-world where you can do things in your own time and not have to pick just the perfect sequence of events to get a single ending, then start over. Sometimes, you can follow a few paths at the same time and don't have to completely start over, but that's not a huge improvement. It's often not intuitive what selections you have to make so you end up just trying things and save scumming. This is made significantly more difficult, and rather frustrating, by the limit of 6 save slots.
One thing that's peculiar to this game is that absolutely everyone, MC included, are absolutely vile people. I know this was done to rationalize the acts of the MC, but it was also rather oppressive. It's hard to get excited when your moral outrage is flaring unrelentingly.
More problematic for me was the theme of the game. If blackmail is your kink, then this game is going to be pitch perfect for you. Even the sex scenes were often selected to portray the reluctance of the actresses. For me, whose whole enjoyment of porn is in seeing all involved enjoying themselves, this falls flat in the extreme. A few of the routes expose their "inner slut" and then end up enjoying it, but it wasn't much of a salvation for me.
So even though I couldn't really enjoy the game much (I managed to complete about 60% of the routes), I appreciate the author's skill and professionalism. It's way higher quality than most games we find here.