The story is all about the 2 childhood friends who's playing together, having fun together and end up to each other. Miyoon is only 6 years old when she first met Dongho, her childhood friend. She's enjoying playing with bubbles when there's 3 little kids tries to bully her. Dongho saved her from them and became friends. Since then, she always be with him and even their mothers are friends too. Dongho is o