Joshiryô no kôshoku oyaji: Yaneura no nozoki ana (2005)

As Sachiko and Rika chat in their shared dormitory, they hear the seductive moans of their neighbor, Rumiko, drifting in from the next room. Meanwhile, Goda—the male caretaker—secretly spies on Rumiko from the attic as she indulges in masturbation...