Toshio is a 42-year-old single man whose hobby is visiting brothels. A woman who introduces herself as Iris suddenly appears before him and begs him to teach her how to please a man! With an insatiable sexual appetite, Toshio has no way of refusing such an offer, and uses his skills to teach Iris, who has no sexual knowledge whatsoever! However, Iris's true identity is that of a princess from another world... Queen Cattleya appears, unable to bear to see the princess have fallen so completely!