Nurse Yui, embodying both kindness and discipline. Her daily life takes a dark turn when her secret trysts with her boyfriend, a hospitalized patient, are discovered by others, causing her hospital routine to gradually unravel. Surrounded by a mob, her nurse's uniform is torn off as she is subjected to forced gangbang and repeated creampie rapes. Forced into the role of a sex slave for the ravenous patients, Yui ultimately loses her pride as an elite head nurse through relentless humiliation and abuse. This is her tragic downfall.