So this story is basicly what lead up to what happened in the music video "Back" by Infinite and  what happens afterward so if you guys have not seen it plz look at it first that way you guys could have a better understanding. Overall this story is about a young 16 year old girl name Kim Teayang whos parents passed away when she was a only 9 years old.She has a older brother named Kim Sunggyu. Sunggyu is the leader of a mafia type group named Infinite ( im using all the members).Whos enemy is the other mafia group vixx (again i am using all the members). Sunggyu found it difficult to bring up Teayang therefore all the infinite members helped raise her. They all saw her as a sister until she turned 16.They began to become more aware of Teayang as girl.The story basicly is a story of infinite members falling inlove one by one with Sunggyu's younger sister Teayang. But teayang dosent have any sort of interest for them so she ignores it because she has never known what it feels like to fall in love. Until one day when a mysteriouse boy come into her classroom she becomes interested with him but soon finds out that the mysteriouse boy belong to a group who is mortal enemies with her brothers group Infinite.