Kaoru Yamatani, better known by his pen name Sō Kuramoto, is a Japanese playwright and screenwriter.
A detective goes out of his way to crack the case of a serial killer who specialises in murdering police officers.
In Osaka during the Edo period, ruler Sanada Yukimura was in losing position, fearing Toyotomi's blood descendents would end, he impregnates one of five Shinano female ninja with the seed of Toyotomi Hideyoshi in hopes of continuing the bloodline. Princess Sen and the five female ninja escape from Osaka castle by blending in with the handmaidens. Lord Tokugawa Ieyasu who was supposed to rule all under the heavens was informed of this secret. So Ieyasu orders five samurai of the Iga Ninja clan (brought by Hattori Hanzo) to stop the Toyotomi bloodline by killing the Kunoichi ninja. An attack of ninja magic arts unfolds in a battle of the sexes.
UFOs appear on Earth, and people who actually see them suddenly find that their blood has turned blue. Soon panic and hysteria result in the new "blue-bloods" being persecuted by the rest of mankind, and eventually certain all-too-familiar measures begin to be taken against them.
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