Parasited - Little Puck !link! -

One day, Ki-woo's friend, a university student, recommends him for a tutoring job with a wealthy family, the Parks. Ki-woo poses as a university student and is hired to tutor the Parks' young daughter in English. He soon realizes that the Parks are naive and gullible, and he begins to infiltrate their lives, bringing his family members into their household as unrelated, highly qualified individuals.

By the time it reached the stray dog—a gentle, flea-bitten collie named June—Little Puck had grown to the size of a walnut. It nestled behind her left eye, not in the brain but against the optic nerve, where it could taste everything June saw. Sun on pavement. The blur of a thrown stick. The face of the boy who left out bowls of food. Parasited - Little Puck

There are several types of parasites, but let's focus on the ones that might affect humans: One day, Ki-woo's friend, a university student, recommends

, a strict and mean schoolteacher. Her character undergoes a dramatic transformation: By the time it reached the stray dog—a