Being an idol is not that easy. Fame, money, what else? The moment when two idols started to fall for each other. Nobody knows what happened in the backstage, only these involved idols know. The two met in the backstage. The two smiled to each other in the backstage. The two interacted in the backstage. They came from different agency. She'd be lying if there was no feeling toward him more than a friend. But they can't, there was one rule that must be obeyed by every rookie.