Parasited.com -- Study Slug

The text describes a scenario involving two classmates, Amirah Adara and Josephine Jackson, who are preparing for a Biology test focused on slugs. Amirah, an exceptional student, explains that slugs are generally harmless creatures that primarily feed on fruits and vegetables, with only a few species posing a danger to humans. During their study session, an alien parasite inadvertently enters Amirah's drink. After consuming it, she begins to experience its mind-altering effects, which induce a strong lustful craving. This leads to a dramatic change in her behavior, resulting in her chasing after Josephine in a state of excitement. Upon catching Josephine, Amirah transfers the parasite to her. The two girls engage in a passionate encounter, escalating their intimate actions to a climax of intense pleasure.