Y/n, a Cold hearted person.no one saw her smile except her family and friends.she is the person who u do not want to mess with... ______________________________ ???-Noona! ???-hm? ???-we love you! ???-.....hmm. _______________________________ ???-Is it my fault? I tried,but there is no trace of them. _______________________________ ???-It is you, isn't it Nini? _______________________________ ???-I love you too. _______________________________ What will happen if one day her mom married the…