The "Widow's Boarding House" series by Nikkatsu. All are independent productions that were directed by Shinya Yamamoto and bought/distributed as "Roman Porno." Two of these films are also a part of the "Semi-Documentary" series.
Pinku from 1975.
One day, when a vacancy opened up at the boarding house, an ostentatious move began. An elderly man arrived in a luxury car and directed the movers as fine items—luxurious bedding, a paulownia wood wardrobe, and other furniture—were hauled in. The new boarder turned out to be Ayamaro, the legitimate heir of the former noble Ura Komichi family. Perhaps due to his aristocratic upbringing, he just couldn’t quite match everyone else’s pace.
