[|]Completed[|] Nagisa is a well known assassin by the name Viper. Karma is a well known troublemaker in the E-Class. Nagisa is called out to assassinate the famous Karma Akabane of Kunugigako junior high school. What of the Viper's cold heart melts for the troublemaker student? Will Nagisa be able to handle it without anyone finding out about his blood stained past? Or will Karma find out and try to help the depressed Blueberry he holds dear? Or may it all end for the two?