Sunghoon is your enemy since in kindergarten. You guys always fight and cant really get along with each other. One day you were sitting on your desk, you already see that sunghoon comes towards you with a smirk but you are in a bad mood because youre on your period right now. He comes to you and sat down beside you with a grin before speaking hey darling. Why dont you smile like all the other days huh? he said with a smirk