Jungkook, Y/N and Jae Eun are the best of friends. While Y/N is in love with Jungkook ever since she can remember, Jungkook founds himself falling in love with her cousin, Jae Eun when Y/N introduces them a year later. When both Y/N and Jae Eun need to move to the States, Jungkook tried to keep in contact by emailing Jae Eun. As the emails grew constant, Jungkook knows he's falling more in love with the Jae Eun that he get to know in the email. Little did he know that all these while, Y/N is the one who has been emailing him back.