"So let's get married..." Haruka has a twisted background and now grows up as a normal school boy when he meets Y/N... Well he doesn't really meet him, but he watches him. And stares. And plants camera's to keep a closer watch. One day they finally interact - awkwardly - and Haru realizes, that his heart feels something called love. But Y/N has never met him before. Will he be able to sway Y/N off his feet and make him fall in love with a murderer?