JKのうらら。彼女は彼氏とのセックスに不満をいだいていた。彼氏のことが大好きなので、どうすればお互い満足できるようになるかを経験豊富な先輩に相談した。先輩はうららの熱意に負け、セックスの手ほどきをすることになったのだが…。彼氏が喜ぶ方法を教えてもらうはずが、先輩の凄テクでメロメロの骨抜きにされたうららは！？
Urara is a college girl who is dissatisfied with sex with her boyfriend. She loves him though, and so she asked an experienced senior for advice on how they could satisfy each other. The older man was won over by Urara's enthusiasm and decided to teach her how to have sex himself. Urara was supposed to be taught how to make her boyfriend happy, but her senior's amazing technique made her melt.
