After Yoshizawa Akiho suddenly disappeared, her junior and close friend Ai took over as her replacement and arrived at this small hospital as a nurse. She came here with only one goal: to find clues about Akiho's whereabouts. While working, Ai approaches the mystery hidden within the hospital and its patients, pulling on the thread of truth. But what awaited her was unprecedented humiliation from the patients and overwhelming sexual violence from the director. Even with her bright and resilient personality, she is ultimately swallowed by the great evil. Can she reclaim her true self from the clever and cunning traps and make it out alive? The third installment of Mixing’s immensely popular crime suspense series is a mad frenzy that pushes actress Ai Sayama beyond her limits with the series’ largest amount of cum and endless orgasm hell. This work is an AI remastered version of "Perverted Infectious Ward Chapter 3: Ai Sayama" (h_068mxgs00224). Viewers will be breathless watching Ai desperately resist while being consumed by the hospital’s darkness. As her brightness gradually distorts, and as the patients’ relentless acts and the director’s dominating violence pile up, the story lures viewers deeper into despair. Ai surpasses her own limits and gets caught in a vortex of madness. This work depicts the series’ largest amount of cum and an endless orgasm hell assaulting her. It is a shocking crime suspense film showcasing Ai Sayama’s acting ability.