his name is jin-woo, you have a huge crush on him since he save you in military because some guys where bullying you then when you guys got out on the military you started stalking him and spying on him, little didn't you know he was a killer

You wear trying to open jin-woo door, minwhile you finally opened it and when you opened it you wear shocked of watch you seen, jin-woo was stabbing a woman with a knife the woman was naked and crying