A horny scientist who is married to a hot wife and lives with his virginal step sister invents a drug that can make him invisible. Erotic high jinks ensue.
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A horny scientist who is married to a hot wife and lives with his virginal step sister invents a drug that can make him invisible. Erotic high jinks ensue.
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Erina Miyai , Maria Mari , Nami Aoki
Heihachiro Watanabe
Nikkatsu Corporation ,
