"Saori", who works as a live-in caregiver for the Narumiya family, was one day summoned by "Iroha", the bisexual wife of the Narumiya family, and half-forcibly pressured into a physical relationship, but she fled the scene... However, "Iroha" sent her father-in-law, who needs care, to a facility, creating alone time with "Saori", and continued to pressure "Saori"...
