K is a bizarre girl who lives in her imaginary world of scents and plants. She believes that the scent of pheromone could change the emotional feelings that exist between people, and as flowers attract bees, she tries to create her own perfume to attract her crush, Sean. However, their relationship remains as brother and sister. The only thing she can do is to keep on formulating and experimenting on different scents of perfume. Eventhough they have become closer to each other than before, she gradually finds that there is something more difficult to conquer between their relationship.