"Hello"

She's sick, but a happy and young girl with 8 other sisters who love her.

He's healthy and smiling on the outside, but quiet on the outside.

They both come from rich families but they aren't around much.

Girls Generation are the queens at their high school, but don't have any friends. EXO soon moves and become their good friends and the kings of the school. Throughout the story they meet rivals, Red Velvet, and 2PM. But at the same time, they draw the two young lovers together.