No one stipulates what youth should be like. Some people have excellent grades and work hard in their youth; some people have a romantic love for the first time and have a vigorous and impurity-free love in their youth; and Chen Luoxi's youth is about a person's secret love, that simple feeling. But there was huge energy that made her persist for five years. During these five years, she followed him like a light chaser, and a series of things happened with that boy, which may be heart-warming, sad, or painful... But Chen Luoxi has no regrets, because this is the most beautiful youth she thinks.