FJIN-150 A week of full erection milking sex life with a disinterested, big-assed female caregiver

Murata, a college student living alone, has paralysis in both hands due to a designated intractable disease and needs home care. The caregiver sent was Oshikawa, a beautiful but extremely unresponsive woman. A week-long live-in care started. Murata's condition is that he experiences severe headaches if he doesn't ejaculate at least once every hour. Side effects made both hands unusable, making masturbation impossible. Upon hearing the situation, Osikawa nodded calmly with an iron mask expression. "...It's business. No problem." The perfectionist coldly stared at Murata's erection and began to stroke it accurately. Expressionless, without any sweetness at all, just mechanically assisting with ejaculation...