Yoora has always seen Sehun as a rival. Why? Because Sehun managed to constantly pissed her off by making her 'Miss Number Two'. While wondering her thought out loud about Sehun, her sister whom overheard her and give her a perfume necklace which supposedly able to capture a guy's heart. The next day, Yoora bumps into Sehun and spills all the perfume. As she begins to apologize, he suddenly asked her out.