Hospitalized Wife Maki's Sorrows

Maki went to the hospital for a checkup because she wasn't feeling well, and the doctor told her to admit her for tests. Maki lies on the hospital bed, unconvinced. However, he learns that an old man in the same hospital room has been hospitalized for the same reason for a long time. She is plagued by lustful dreams due to her anxiety, and her mature body begins to ache as if she is left with regrets. And when she satisfies her desires with her husband in the hospital room, she is told that her vagina becomes tighter than usual... What exactly happened to Maki's body!?