Y/N and Jeongin is a bestfriend that always stick with each other since they were 7 years old and also once Y/N and Jeongin parents planning to marrying both of them when they grow up.. but both of them protest their parents because they want to remain as best friend forever. And besides Y/N and Jeongin already make a promise to each other when they 13 years old What kind of promise?? and who will broke the promise first?? Stay Tuned............................. start: 31 July 2018 P/S: This is my first ff ever .. and I'm sorry if there any grammatical error or etc because English is not my main language.. i'll try my best and update this story when I have a free time .. I hope you guys enjoy reading my story :) and kindly ask me if there any confusion about this story.All Rights Reserved