Seo Yewon is her school's queenka's younger sister. Unlike her sister, Seo Jiwon, Yewon is more of those cold, quiet, and mysterious type of girl. Her best friends Minah and Hyeri always tried to make her go on blind dates, but she refused, as she thought love wasn't real. That's only until she meets the school kingka, and thats her older sister's boyfriend. Yewon loves her sister and doesn't want to betray her. Will she believe in her true love, or will she stay loyal to her sister?