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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.
Isao Hayashi
Akihiko Yamaki
Akira
Machiko (Momoko's sister)
Ippei Nakamura
Pink Baby Mei
Female student
Pink Baby Fuu
Momoko Nakamura
