Satsuriku no Tenshi Episode 6 English Subbed Episode Title:Zack is the Only One Who Can Kill Me.Episode Description:In a flashback, it is revealed that Zack murdered his abusive caretakers after being inspired by a horror slasher movie. In the present, Zack begins succumbing to the drug again and Ray is chased into the final room of the floor where Cathy herself is. In exhilaration, Cathy gives Ray a gun and suggests she kill Zack with it. Barely managing to get a hold of himself, Zack encourages Ray but she refuses, telling him that it's their choice to kill or be killed...