Talk about the detailed plot introduction of Lianlian and the pop king star with the same sound but different words, Liu Dehua, is a junior college student who came to Binhai City from another place. Like any 21-year-old boy, he is full of the restlessness and enthusiasm of adolescence. However, as a CN (so-called virgin), he can't help being at a loss in front of the girl who stirs his heart. Although, becoming a suave playboy is his day and night dream, he is also filled with innocent expectations for a beautiful romance... Due to livelihood issues, Liu Dehua decides to rent out one room of his rented one-bedroom apartment to earn some extra income.