Alternative titles: English: ImmoralitySynonyms: Equation of the Immoral, In no HouteishikiJapanese: 淫の方程式
Type: OVA
Episodes: 2
Status: Finished airing
Airdate: 25 Mar, 2004 to 25 Nov, 2004
Genres: Hentai, School
Duration: 00:30:00 per episode
Rating: Rx - Hentai
Sayako is a new nurse at this certain school. She is what you call a diva: nice pretty face, slender body with the perfect curves and last but not least, very well-formed bust. But there is more to her than meets the eye.
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