Toshio, a 42-year-old single man whose hobby is frequenting brothels, is suddenly approached by a mysterious woman who introduces herself as Iris. She begs him to teach her how to please men! Naturally, Toshio—blessed with an insatiable sex drive—has no reason to refuse. He takes it upon himself to give the completely inexperienced Iris a thorough sex education.

However, Iris is actually a princess from another world… and when Queen Cattleya sees how far her daughter has fallen, she appears before Toshio herself!

42岁单身，平时爱好逛风俗店的俊夫。

一位自称艾莉丝的神秘女性突然现身于他面前，恳求他教授取悦男人的方法！

生性好色的俊夫自然不会拒绝这样的请求，面对完全不懂男女之事的艾莉丝，他决定亲自出马展开特训！

然而艾莉丝的真实身份竟是来自异世界的公主...看着已然堕落的公主，女王卡特蕾亚终是忍无可忍现身人前！

42歳独身風俗通いが趣味という俊夫。

彼の前に突如として現れ自身をアイリスと名乗る女性は、男性の悦ばせ方を教えてほしいと俊夫に懇願してくる！

性欲絶倫の俊夫がその申し出を断る訳もなく、性知識がまったくないアイリスに性教育をすべく手腕を振るう！

しかしアイリスの正体は異世界の王女様で…すっかり堕ちた王女を見かねて女王カトレアが姿を現す！