This story about five best friends,Park Iena,Cha Mirae,Han Aerin,Sung Aira and Park Insoon that being friends since they children.Their parents are best friends.without they knows,their parents and TEEN TOP's parents,who is their parent's friend agree that their children will married when they adult.. Iena and her friends have their special name,known as STAR OCEAN.. One day,when they enter high school,they being sch