Contained from the Start, I Become a God Through Possession!

The Male Lead Can Transform Into a Monster and Change Back Whenever He Wants

The female lead can be present or not, but the male lead must not be a bleeding heart.

Grow Strong First, Then Invade Other Worlds

Are there any stories involving a world invasion?

The Protagonist Is a Native of a Horror World

Looking for books similar to "Being an NPC in a Horror World". The protagonist should have originally lived in a horror world, so things that count as game instances to players are just part of the protagonist's everyday life, such as schools, hospitals, and buses.

Apocalypse Stories: This One Is an Absolute Masterpiece

Please Recommend Stories Where the Protagonist Isn't Human but Pretends to Be in the Human World

I'm looking for books similar to Playing the Player Today. Please recommend stories where the protagonist isn't human but disguises themself in the human world. The protagonist should be cold-blooded.

The Middle Ages, Retro Style, the Steam Age, Lovecraftian Horror, and the Mysterious

I'm looking for books similar to The Pillar Project. Something like Lord of the Mysteries, set in the medieval steam age, with Lovecraftian elements, an enigmatic atmosphere, and mysterious secrets.

The Protagonist Becomes a Monster and Keeps Evolving. No Harem, No Goody-Two-Shoes

Something like The Black Dragon Code.

Please Recommend Cthulhu-Themed Novels Where the Protagonist Is Already an Old One from the Start

The Protagonist Becomes a Nonhuman Being and Gets Found Out

Something like turning into an undead creature, an animal, or a supernatural being. The protagonist uses their strong humanity to suppress their instincts and keeps growing stronger. Nothing too meme-heavy, please. I'd prefer vivid, descriptive writing and tight storytelling.

The Protagonist Becomes an Entity of Horror and Spreads Fear

Despair, Utter Despair! The Protagonist Joins the Dark Side in the End

Looking for Body-Horror, Flesh-Mutation, Lovecraftian Weird Fiction

The Protagonist Discovers the World Is Fake and Has to Pretend Not to Know in Order to Survive

Highly Rated Stories About Sequences, with a Protagonist Who Has a Special Sequence or Contracts a Special Monster

Looking for books similar to Sequence: Ascension to Godhood (Sequence: Ascension to Godhood).

Madmen, Flesh-and-Blood Technology, the Unknowable, and Cthulhu

The Protagonist Is a True Evil God: Nonhuman, Lovecraftian, and Simple-Minded

I'm looking for books like Horror Livestream: The Clingy, Lovesick Evil God Comes Knocking. The entity can take human form but should still be inhuman, with the human appearance simply making it easier to interact with people. It shouldn't even try to hide that it's an evil god. Lovecraftian elements are fine. Its way of thinking should be rather simple, so it's easy to fool. Really

Looking for an Invasion-Type Story. I’m Out of Reading Material. Please Recommend One About Invading Other Realms

Survive the Paranormal, Safe House, Upgrade Everything

Looking for books like Doomsday Ghost Shadow: I Can Upgrade My Safe House. This is a help request. I’ve only found three books on the market so far. I’m looking for survival stories with supernatural horrors and the ability to upgrade everything.

Looking for Stories Where the Protagonist Is Reborn as a Parasitic Brain Worm

I just had an idea. Are there any stories like this? I can't get enough of my own, aaaaaah!

The Protagonist Is a Monster Who Voluntarily Gets Contained, and Humans Can Use Their Abilities

Transmigrating to Hollywood

Looking for stories similar to This Is the Hollywood I Want. The male lead is Landon Williams, and the female lead... there are just too many female leads! This Is the Hollywood I Want.

Hand Over Those SCP-Creation Novels You’ve Got!

I'm Out of Books to Read: Cthulhu, Sequences, Potions, and Steam

Please, I’m desperate. Lately, I can’t get into anything except cyberpunk and Lovecraftian horror. This kind of story feels like it has a magical hold over me, and I just can’t stop reading. Please, all you awesome readers, share the Lovecraftian books on your shelves with me.

Any Stories About Someone Becoming a Parasite That Controls People?