Kichiku: Oyako Choukyou Nikki
Description
Nao and her older sister Manami are still living together with their mother. They learn that their cousin Kinichi will be living with them for a month in preparation for his admittance test to medical school. Nao absolutely hates her creepy cousin and doesn't hesitate to show it. She's right though, because one night Kinichi secretly films her masturbating, after having drugged her with a sexual stimulant. He later uses this footage for blackmailing her into sexual acts. And this is only the start; Manami, her boyfriend Hiroki and their mother will also fall victim to Kinichi's depraved mind...
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