A Quasar On Elm Street
This is a very well-written story, and I enjoyed every chapter. To tell you the truth, the first thing that caught my attention was that it is based on one of the classical horror movies, and I am a faithful classics lover. Then I saw the genre - horror/sci-fi. To be honest, at first I was skeptical, thinking of a slasher movie antagonist in a sci-fi area (yes, Jason X came to my mind at once, and that wasn't a good movie, in my humble opinion). This why I had a bit doubts, but when I started reading your story, it dragged me into the plot so deep that I realized how wrong I was when thinking that it's something of a type of the movie I mentioned. So yes, it was very well done, and I applaud you for that.
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Also, my compliments on the writing style and skills. I can see that you are an experienced writer, and I found no faults in grammar, spelling, or punctuation. And that, I think, is very important for every writer. It's the number one reason I continue reading stories, even despite that the plot sometimes isn't that good (I speak now generally, not about your work specifically). So, good job in that as well.
That said, I hope you continue writing and making readers happy with new works. Good luck.