Haeun’s longtime male companion, Dojun, has surprisingly never been in a relationship. While he may be a bit reserved, shy, and melancholic… he possesses a good physique and an average face, so why has he never had a girlfriend? Driven by curiosity, Haeun continuously probes Dojun—until she uncovers the shocking truth. It turns out… whenever he attempts to engage in sexual activity, he struggles with impotence! Her friend fits the exact definition of what people refer to as an impotent man?! Determined to assist him, Haeun resolves to take control of the situation. However, what starts as a simple “lesson” to aid Dojun begins to take an unforeseen turn… "Yoon Dojun, can I be the one to take your virginity?"