Castle Orgies  Sae is a girl in love with a samurai in Edo period Japan. Her father sends her to the Shogun's court, where she is intended to serve as a concubine to the Shogun. When her rivals start rumors that Sae is not a virgin, the Shogun angrily banishes her to a nunnery. With help from her samurai boyfriend, Sae escapes, and the two flee together. Though "" (1971) is usually credited as the first of Nikkatsu's line of "Roman Porno" films, the films were released in double- or triple-bills, and "Castle Orgies" was "Apartment Wife"'s partner release. These two productions indicated two directions that Nikkatsu intended to explore in its venture into the "pink film" genre. "Apartment Wife" represented the contemporary, urban stories, and "Eros Schedule Book" the historical period film. Both films were immediately successful with critics and audiences. "Apartment Wife" inspired 20 official sequels, several unofficial sequel series, and created a new theme in Japanese erotic cinema-- the "Apartment wife". "Eros Schedule Book" was followed by eight direct sequels. The film was actress Setsuko Ogawa's debut. Ogawa become one of Nikkatsu's first idols, focusing on historical erotic dramas throughout her career with the studio. "Castle Orgies" was first released theatrically in Japan on a double-bill with "", on November 20, 1971. It was released on VHS in Japan on December 21, 1988, and again on January 14, 1994. Along with "" (1971)-- part of Nikkatsu's second double-bill-- "Castle Orgies" was the subject of "Japan: Ancient and Modern", a feature in the March 1973 issue of the British journal "Continental Film Review". The film was released by Tai Seng on all-region DVD on April 17, 2001 with Chinese and English subtitles.