Chikyodai (1985)

Chikyodai 1985 / 乳姉妹 1985 / Step Sisters , Stepsisters , Chikyoudai ,

April 13, 1967, was a fateful night, when both Shinobu Matsumoto and Chizuko Daimaru were born under the same mysterious star. Their family backgrounds couldn't have been more different. Chizuko was born into a family of power and wealth, and her mother died during childbirth. Shinobu's family was poor, and her father abandoned the family and became a petty criminal, drifting in and out of jail for years. But despite their differences, Shinobu and Chizuko share a common destiny, intertwined by a secret that could end up tearing both families apart. (Source: GUIS)