The year is 2099, there is tumult everywhere and Japan is dominated by a secretive society. A mysterious girl called Shin roams the country and its outlands. There is an investigation, infiltration, an alliance and a betrayal. What is to become of Japan given its rulers, the outlaw and the Green Turtle?
Dr. Akiba, a rather perverted scientist, developed a series of sex robots, and Type 100 is his newest creation. She has highly advanced artificial intelligence — so advanced that she refuses to become Dr. Akiba's sex slave as he had designed and escapes from his lab. She meets college student Shunsuke Kubo and decides to stay at his apartment. However, as she is designed to be a sex robot, she interprets everything Shunsuke says in a sexual manner.
This installment in the story of hard hitting femme fatale Lady Ninja Kasumi finds the heroine escorting a man to Ueda Castle and protect the deadly weapon he carries. Unfortunately, Hanzo knows about the power contained in Kasumi's precious cargo, and has sent a team of his own ninja's to steal it.
