I Am the Parasite’s Mother

Archaea, True Bacteria, Viruses, Fungi, and Cancer Cells

The first two absorb light energy; the virus uses others to replicate itself; fungi use radiation for synthesis; and cancer cells are mucous organisms. From a molecular biology perspective, it’s an animal, but smaller than bacteria. It may have evolved from an organism that developed cancer in ancient times.

Any Stories About Parasyte? It Seems Like There’s So Much Room for Imagination

Any Stories About Someone Becoming a Parasite That Controls People?

Human Skin, Possession, Body Snatching, Transformation, Parasitism! I’m Out of Things to Read

Looking for a Book Where the Protagonist Is Parasitized and Transformed by a Nonhuman

I read a book a while ago where the protagonist used to be very fat, then a nonhuman parasite transformed him into a handsome guy. Later, under the nonhuman's influence, he went off to hunt other nonhumans and attracted the authorities' attention.