You, Jun Sungsook, are a shy and cute average girl with a big heart when it comes to being in a group of small friends. Jung Hana, your school's player, wants to win your heart dating by different girls just to make you jealous, but you always reject her a lot because you were worried that she'll "play" with your heart. Despite the fact that you never like Hana, you just want to be with your older sister, Jun Hyosung, and your best friends, Song Jieun an