This takes place in Only Look at Me and Wedding Dress. Each of the chapters is based on one of those songs It revolves around Taeyang and Seungri. Taeyang is dating a girl and Seungri feels left out cause they are close. Chapter 1: Only look at me Seungri finds out the girl is cheating on taeyang and tries to tell him. That doesn't go well.  Chapter 2: Wedding dress Taeyang meets up with a childhood friend...things go downhill from there.