I'm too tired to do anything in-depth at the moment, but I stopped before I got to the end; it just didn't hook my attention. It seems generally well written—a few minor grammar / punctuation / clarity issues—but I didn't want to keep reading, you know?
Sorry that wasn't really helpful; I can try coming back to it later, if you'd really like. Or just wait for someone else.
It could be a useable idea, but as it stands it's not a very appealing read and I found it quite hard to focus on the text to the very end.
It would probably take a much more experienced writer to explain how to fix it - I'm not sure how to put it into words, but it's just.. eh. It's hard to sit through.
One thing I can say for sure is that "imprint" is so overused to the point that it almost loses it's meaning, I think you used it like 17 times in as many lines - find a quick, concise way to explain your scp so that you're not left repeating words until you're left with a slushy mulch of text.
I hope this was at least somewhat helpful.
I think there were a couple of SCPs that did a version of this concept i.e. mimicking humans. One is SCP-600, the other is an SCP that actually believes it's the person it's imitating.