Kai,Wendy and Sehun are the best friends when they are young.They live in the same apartment but study in different university.Kai and Sehun are really close but they are always fight and make competition even it was a small thing because of their fathers,Mr.Kim and Mr.Oh,'s history( I will write their history in chapter 1 ).When they are fight,Wendy is the one who resolved between them as a refree.She always make them handshakes that can be peace in between these two.One day,when the beautiful