Hwang A-Yeong is a classmate who lived next door to Hyeon-Su. She left Hyeon-Su in her second year of high school and went to the U.S. for studies. Hyeon-Su, who is now a college student, one day at home alone sees an underwear shopping mall called ‘Flirting’. Heart pounding, he witnesses an intimate affair between the a man and a woman in the...