The story of 2 rival teenage gangs, that never get along. This time, a very young cupid falls from heaven down onto earth, and use his magical power to put the two rival gangs in a difficult situation. They have to help each other in order to survive the ordeal, so they finally understand each other. Cupid is picked up and sent back to heaven where he belongs, but the story is not that simple. While this young cupid disappears from heaven, Minna, his teacher, comes down to earth and searching for him. The young cupid accidentally use his magic power to Minna and makes she falls in love with human. Will this story has a happy ending? Let finds out together in Naughty Cupid.