Recently, Shion has been suffering from unexplained physical discomfort and has been absent from university frequently. Because her condition doesn't improve at the hospital she usually goes to, she decides to try a hospital she found online. While feeling uneasy about the examination where the stethoscope is applied as if licking, Shion, who is worried about her physical condition, decides to undergo a detailed examination. However, what was done under the guise of an examination...!!