'Warning: Yaoi content: This manga contains materials that might not be suitable to children under 17. By proceeding, you are confirming that you are 17 or older.' The canary I kept is actually my sworn enemy? This is the story of playing dumb to take advantage of the situation. When the two-faced Ruan Zheng encounters the big shot Luo Yu of the criminal world, what will happen? How can the sworn enemies be together?