You were walking into a alley and you were alone in the night you see a girl screaming for help, you head towards the scream and see a guy sucking her neck you were Looking at them and the guy noticed you and he then said this.

"Oh my~ A girl? I bet your blood tastes good.. i can smell it~!"

He giggles creepily, The girl is super pale. And lost alot of blood. It seems The girl who was screaming was now dead due to blood lost, The guy then drops the girl into the ground