Slap him out of it!

You don't hesitate. You swing your hand wide and hit him across his cheek, hard. His head jerks to the side violently, a red mark already appearing on his skin. He blinks twice and looks around. Then he seems to gather himself, his expression turning serious as he grabs you by the hand and pulls you forcefully away from the approaching Clarice. She laughs, choosing to watch instead of giving chase to the two of you. You dodge panicked colleagues and vampires alike, making your way to the door. You are making progress when suddenly your arm is grabbed. You spin to see a laughing Diane. Her already beautiful, entirely nude, body is quickly transforming as Robert fucks her, his fangs buried in her neck, her skin becoming pale and her muscles tightening. She giggles with each thrust and you feel her fingernails grow into talons and prick your skin.
"Stay Sarah!" She says in a sing song voice. "Stay and join... uck!" She lets go as her eyes roll back in her head with pleasure and her body enters the final stage of transformation. You pull free and try to find Linus... only to see Juliet devouring blood from his neck as Keira sucks at his erect penis. He stares at you with panic, pulling against the two vampires with all his might.
"NO!" You shout and dash forward, only to be grabbed by Martin, both strong arms wrapping around your waist. You struggle and beat against him but he merely laughs. You watch as Linus reaches out for you futilely, and then jerk in a strange expression of pleasure and pain as Keira bites into his cock. Then Harriet blocks your view. Her normally conservative clothing hangs off her in tatters and her cross necklace is nowhere to be seen. She laughs as she grabs your shirt by the collar, ripping it free to reveal your bare breasts.
"NO!" You screech still struggling, even as she plunges towards your bouncing tits with her sharp fangs. Martin's spear-like cock rips through the seam of your trousers, pushing your panties aside to enter you. He thrusts deep inside you as he bites into your neck. You loll back, your head tilting to see Linus ****, his body completely transformed . His blank face lights up, blinking twice, then he smiles down at Keira with his fanged smile, grabs her head with both hands and shoves his cock down her throat, while Juliet watches over his shoulder, biting her lower lip seductively. You lose sight of them through your tears and the bouncing on Martin's cock. Despite everything the pleasure is mounting, even as the life fades from your body. You come with Martin, letting out a long moan as he cums inside you. You sigh as the world goes dim, Martin and Harriet laying you down to seek other distractions.

It doesn't take you long to come to your senses. You run a hand down your body, a smile touching the corner of your lips as you do. Your tits are larger and perkier, your muscles toned and perfect. You lean on an arm to see a sea of pale flesh writhing in copulation. You lie back slipping a finger into your cunt moaning as you please yourself. This little pleasure to start off what is sure to be an intense night.