Reborn: In the World of Impostors, I Execute the Gods

Looking for Novels About Pure Nonhuman Impostors!!!

No rule-based horror stories, and nothing like the later parts of Strange Beasts' Labyrinth with all the superpower battles. I'd prefer an atmosphere like the early parts of Strange Beasts, with the focus on impostors. The scarier, the better~

Impostor Novels Are Rare, and This One Is Really Interesting!

Looking for books similar to "The Impostor Is Right Beside You: Identify and Kill It". I’ve played the impostor game, especially when the impostor tries to talk their way out of it. Expose them, then take them out! This book has lots of interesting scenarios. (I’ve analyzed many of them in the comments, so you can...

Looking for Supernatural Horror About Impostors, Pure Horror with No Fantasy Elements