Doctors working at the proctology department harbor unusual sexual desires, having chosen this profession to satisfy their own lusts. Obsessed with anuses, they take meticulous care in handling their patients' rectums, deriving pleasure from transforming them into anal addicts through intense anal humiliation play. Captured here are the depraved states of nine patients who fell into anal addiction under the doctors' manipulation. Their actions and emotional shifts are depicted in extreme detail, delivering relentless shock to the viewer.