Anyone know this story? Please give me the link or tell me the title. I wanna re read it. The story is like this.

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Sunggyu is a vampire and woohyun is a human. They are living together as lover. If i'm not wrong sunggyu is woohyun lecturer. They lived happily, but someday woohyun is missing. So sunggyu libed became mess. He remember that N (VIXX) are woohyun best friend. So sunggyu tried to find his llover on N home. He did not find woohyun there. Because woohyun hide somewhere. And then  sunggyu realise that woohyun has a brain cancer, sunggyu was so deppressed after woohyun death. So he asked N to bought him a silver bullet  and kill himself with that. 

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Please anyone if you know this story please tell me.

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English is not my 1st tongue, sorry for grammer