My Brother's Friend is a Pervert!

"Oppa, do I still look like a kid to you?" Yoon Soo-ah's first love, Cha I-jun, has returned. At a naive eighteen, she had a crush on him—everyone's ideal type, yet tender only to her. But now, she thought she had long since put a period to those shameless feelings. At twenty-three, Yoon Soo-ah believed she and Cha I-jun would forever remain just oppa and dongsaeng. That is, until she heard the sounds coming from his room on a dark night. "Ha, Soo-ah…" The moment she saw the huge object gripped in his large hand, Yoon Soo-ah's heart began to pound wildly. * "O-oppa…… Were you always this kind of person?" "What kind of person?" "A per…vert…" Cha I-jun burst out laughing. His l...