This is S Special Nursing Home, located somewhere in the Kanto region. At first glance, it looks like a perfectly ordinary nursing home, but it is there that Ms. M, a married caregiver, falls prey to tentacles. One day, she is injected with a sensory-depriving extract that paralyzes her body, leaving her lower body completely numb and unaware of what is happening. Her voluptuous body is devoured and violated by tentacles without her knowledge! The trigger for her senses returning is a massive ejaculation inside her by the tentacles. And before she knows it...