"Saori", who lives and works as a caregiver for the Narumiya family, is called by the bisexual wife "Iroha" of the Narumiya family one day and is forced to have a physical relationship in the middle, but leaves the place as if to escape. However, "Iroha" left his father-in-law who needed nursing care at the facility, made time for him alone with "Saori", and approached "Saori" ...