My wife started working as a caregiver who visits and supports people who are shut-ins in order to help with the household expenses. The first person she was assigned to was a man who had closed himself off after failing. While talking to him, she either felt her maternal instincts being tickled or was frustrated with her sexual desires... Eventually, Yui, who developed feelings for him, decided to perform sexual treatment as part of her job. She performs a gentle breast job, and if he asks, she gives him fellatio anywhere. The man gradually regains his vitality. His libido is as fierce as an animal, and finally, Yui goes beyond the realm of caregiving and has multiple serious sex sessions. His stamina, big dick, and strong lower body pistons are all different from her husband's. While telling herself that this is also part of the support, she indulges in endless creampie sex...