As Anna Okina finished her meeting and headed back to her car, a sinister figure suddenly attacked her. When Anna regained consciousness, she found herself immobilized and surrounded by a mysterious group. This dangerous organization specialized in collecting and researching the secretions expelled from women's bodies during defecation. Forcing the arrogant woman into overwhelming humiliation, they lure her into scatological pleasure through defecation catharsis. The moment of bowel release becomes the peak of female shame, driving her pleasure to the ultimate extreme.