Eighteen-year-old adult Ahiru will produce almost any bodily fluid for cash. Under the control of fluid-fetish men, she has her menstrual blood licked, watches them drink her urine, and is made to vomit while multiple men use her. By the time she realizes what is happening, the fluid seller has been degraded into an obedient sex pet and exploited for their pleasure, with the men specializing in ejaculating directly in front of her.