Bora had had the biggest crush on Sehun for five years now and wants everything to continue being this way. That was until Sehun got himself a girlfriend. Devasted, Bora decided to move on, because she did not want to crush on someone that already has an owner. She looked around and came upon a guy named Suho. She decided that he is going to be a replacement for Sehun in her heart. As time went by, she soon realizes that Suho is actually a really great guy. Now she only has one question: Is he still a replacement?