秘本：乱云
Directed by Shōgorō Nishimura1974年7月6日 82分钟
In the early Shōwa era, university student Gōji Murata boards with the Itō family, old friends of his late father. One day, the family's daughter Tomiko catches him reading an erotic book. Rather than being shocked, she’s intrigued, and soon gives herself to him. That night, her older sister Kyōko, having learned what happened, quietly slips into Gōji’s room..."
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秘本：乱云 Trivia
秘本：乱云 was released on 1974年7月6日.
秘本：乱云 was directed by Shōgorō Nishimura.
秘本：乱云 has a runtime of 82分钟.
秘本：乱云 was produced by Ryoji Ito.
In the early Shōwa era, university student Gōji Murata boards with the Itō family, old friends of his late father. One day, the family's daughter Tomiko catches him reading an erotic book. Rather than being shocked, she’s intrigued, and soon gives herself to him. That night, her older sister Kyōko, having learned what happened, quietly slips into Gōji’s room..."
The key characters in 秘本：乱云 are Kyoko (Jun Midorikawa), Tomiko (Yuri Yamashina), Oshin (Junko Miyashita).