One day, Ayumi heard from her colleague Tomomi about a rumor: "It seems that nurses are being used as test subjects for new drugs in the abandoned ward nearby." That evening, to verify the truth of the rumor, the two infiltrated the abandoned ward. However, they discovered the dark side of the hospital there. Dr. Kuroki was imprisoning nurses to create human ＜regenerative cells＞ and using them as tools for human experimentation. And then, the two were also imprisoned by Kuroki and ended up having the new drug applied directly to their rectums (anuses)…
