Yukako Kawashima - pembantu rumah yang bekerja, wanita yang lebih tua, menunjukkan teknik tua umur vol. 5 bahagian 1

Yukako's polite work and cheerful personality have made her a sought-after person in the housekeeping industry. However, Yukako has a habit that she cannot get rid of. When she smells a man's underwear, she can't help but jerk off. Yukako goes to other houses as a substitute service and sniffs their underwear....