A shocking story of a 20-year-old active psychiatric nurse, Akane Yamada, experiencing defecation and coprophagia for the first time as a naive and sincere young woman. The depth of her devotion to patient care raises questions about what drives her to such extremes. Urine drinking, vomiting, defecation, coprophagia, creampie, facial with feces, choking, pantyhose play—each act is a first-time experience, capturing the moment her innocent soul descends into madness while accepting everything. The intense excitement and raw purity of her heart pull viewers into an overwhelming experience.