7
69 min
Kyotaro Tsugumo, a university professor and medical doctor, is the director of the Sexuality Research Institute. One day, a female college student, Eiko Tsugawa, visits Tsugumo to sell her "sex equation" that she has invented. A few days later, Eiko and her friends, Yuki and Midori, are asked by the editor-in-chief of a recently banned weekly magazine to investigate the actual situation of soaplands
| Name | Character | Team | |
|---|---|---|---|
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Mari Tanaka | Eiko Tsugawa | Unowned |
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Miyoko Aoyama | Yuki | Unowned |
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Shinko Jo | Midori | Unowned |
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Yoshie Kitsuda | Nami | Unowned |
| Sayori Shima | Yumiko | Unowned | |
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Chieko Harada | Visitor | Unowned |
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Nagatoshi Sakamoto | Dr. Tsukumo | Unowned |
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Maki Carrousel | W no Oharu | Unowned |
| Lamy Rose | Jun | Unowned |