Call of the Pistil

花芯の誘い

Also known as Temptation of the Pistil, かしんのいざない, Kashin no sasoi

The directorial debut of Masaru Konuma, penned by Keiichi Ozawa using the pseudonym "Fuyuhiko Hagi". Masako is a journalist, and she is raped while researching a story. The rape causes her to develop amnesia, so her brother devises a novel way to get her memory back -- he has her boyfriend rape her again. It doesn't work, so the brother and boyfriend do more research, discovering that Masako was raped by an African-American soldier. As might be expected, they then hire a black GI to rape the poor girl yet a third time...