Shuhua is known to be the popular student; hardworking, an all-rounder. But despite all that, there's a side of herself that she would rather show at home, than to anyone. Then, she met an introverted student outside school; the said "gloomy" classmate, Soojin, both realizing then that they appear to be not as everyone think they seem to be, creating an unexpected friendship in contrast to their personalities. Will their friendship be as it is, or will they let themselves be drawn jus