殺し屋の営業術, The Assassin's Sales Techniques, 킬러의 영업술, Técnicas de ventas de un asesino, Kỹ năng kinh doanh của sát thủ, 殺手的營業術, Koroshi Ya No Eigyo Jutsu

The sensational comic adaptation of the prize-winning masterpiece from the "Edogawa Ranpo Prize"! Torii, a genius salesman who is always the top performer at any company, encounters a hitman while visiting a client one day. In the moment his life is about to be taken to silence him, what Torii begins to say is――. A natural-born devil tramples through the underworld filled with monsters! A jet-coaster mystery that overturns your common sense, begins!