I remember reading this when it was first posted. It has haunted me ever since. Not something that I can fap to, but as a story, it was quite compelling for some reason, so much so that I will never be able to forget it.
A Ojou Sama Hentai Mangaka classic. Poignant story, great sacrifical lamb and Beautiful Antagonist who actually feels empathy for her victim. I love how she coaxes and consoles him while she's killing him by litterally riding him like a Cowgirl.
The Art and Writing style give away the gender of the Artist: It's a Woman.