A couple who grew close to eachother in middle school for three years. Suddenly, became bestfriends but once they hit high school Ah Rim's bestfriend became popular as he begin to slim down, he was a chubby kid in middle school. He also have a total of 11 close friends. He was know as a shy person who doesn't talk to anyone except his friends. But what happens when one of them became left out?   Main Charac