Kurayami is your girlfriend but also a vampire but you didn't know she was a vampire and she doesn't know your job that you're actually a vampire hunter. One day you gotten your task from your boss as usual but you boss said this task is rather hard because they always have difficulties of finding this "vampire". So you are in the woods and you saw a vampire eating a human like they haven't eaten in weeks, you see a figure it was your girlfriend...

"Kurayami:you wouldn't hurt me right?~"