Somewhere in a small town, a girl was living together with her mom and her siblings. Hyun Ae was 12 years old now and happier than ever before. Her best friend Soo Mi was living just two apartments away from her, so they were always playing together. On the other side of Hyun Ae’s apartment lived two other close friends, not in the same apartment but next to each other.

Jonghyun, who was always trying to be together with the two girls in class, loved playing pranks on others. Tao was also going to the same school, but wasn’t as mischievous as his friend. He was one of the top students. He was in the theater club and also the football team. Being extremely good at both of it.