Synopsis
Ki-ho is a hitman. His solitary hobby is peeping at “Cheong-ja” who lives next door. One day, while comforting himself by peeking, “Cheong-ja” came to his house. “I know you peek at me every night.” She became the target! A passionate service for Ki-ho starts. 
Original title 킬러 : 니 안에 쏜다
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