To others, Hee-kyung was that kind of person. Reckless, rude, arrogant, and a sexy fool. One day, a major incident struck Hee-kyung as if he had been struck by lightning; he met Lee-soo, who would influence his life. At first, he thought it was just a crush on Lee-soo's looks. However, as time passed, Hee-kyung's feelings for Lee-soo grew, plunging him into the uncontrollable pain of love. If he distances himself from her, will his heart also drift away? In a foolish thought reminiscent of a common pop song lyric, Hee-kyung began to avoid Lee-soo, but one day, he was caught by her right in front of her house. A bold approach from In-Hee-kyung that dramatically overturns the main story, along with even more charming and seductive love scenes with Lee-soo. On a hot summer night, a thrilling and sizzling romance unfolds. This is a side story of their love tale.