With a heavy heart, abandon her to her fate.

You remember back to Beth skipping along the corridor at an unnatural pace. You are sure that you have no time to spare.
"I-I'm sorry!" You say to Keira, tears already beginning to stream down your face.
"No, NO!" You hear her yell. "Come back here and help me!" She screeches, but you ignore her, trying to move as quickly and quietly as possible. It doesn't take you long to hear her sharp scream of pain. You pause for a moment, the shock of what has just happened making you breathe heavily. Suddenly the lights go off. You cast around, looking for any indication for the way out, finding none. You fumble forward the way you were headed, hands outstretched. Then, much to your surprise and relief, they flick back on again. The room is completely silent. Shortly you make your way to the stairwell. You open the door, still not quite believing your luck, and lock it behind you. The stairwell is dark and you look through the window in the door into the IT office one last time when you hear a voice behind you say: "Heya, Sarah."
You spin, pressing your back against the wall. Her golden, glowing eyes cutting through the gloom, you see Keira at the top of the steps. She stands in a contrapposto pose, casually displaying her new assets. Her perfectly kept new crop of hair seems to shine even in the dark. Her skin seems almost luminous, deathly pale in stark contrast to her rosy red lips which stretch over her even, white fangs. Her sweater and shirt cling to her by mere threads, revealing her full, round breasts between the lines of ruined fabric. Taloned fingers wriggle impatiently as she rests her hand on her curvy waist. Her pleated skirt hangs off one hip, the waistband hanging low over the other thigh, revealing a crop of carefully trimmed, blonde pubic hair.
"K-Keira?" You manage to splutter. The vampire that was once your friend smiles wider, a long tongue licking her lips as she steps slowly forward.
"I know, impressive, isn't it?" She thumbs a pale nipple causing her breast to bounce pleasingly. "But Sarah, why didn't you stay?" She takes another step forward, her face morphing into an expression of mock concern and pity. Even though her face is cruel, you can't help but feel drawn in by her unfathomable beauty. She reaches you, a hand extending towards your waist.
"I-I..." You can't find the words. Keira closes her eyes and shakes her head benevolently.
"Don't worry Sarah, It's all going to be okay. To be honest, I'm happy I get you all to myself." You feel her claws dig into you slightly as she grips your waist. Your breath begins to come in gasps and your heart beats quickly as you find yourself simultaneously aroused and terrified.
"Now, I'm going to show you what you almost missed out on." She leans in and kisses you, her other hand finding the buttons on your shirt, each finger working quickly to undo them. You try to pull your face away, but she presses in, smushing her firm breasts against yours.
"No..." You say between involuntary swallows of her sweet saliva. You try to push her away more vigorously. Her work complete on your shirt, she grabs your wrists with both hands and slams them together into the wall above your head so that your arms form an arch over you. She kisses harder, her long tongue caressing the back of your mouth, pulling her into you as much as she can. She uses one hand to hold your wrists as you still continue to struggle, and moves the other to your bra, which she removes with a quick tug. She pulls away to examine your breasts, a smirk on her face.
"Please Keira." You sob. "Stop this. It isn't you..." She laughs and the sound is ecstasy to your ears.
"Sarah it is me. This is the way I want to be, forever. And soon you will too." She says, massaging your breasts and staring deep into your eyes. She releases your hands, but you feel the will to fight has gone, only despair remains. Still staring into your eyes, she quickly undoes your trousers, her fingers caressing the shallow clefts of your crotch. Her finger digs into your panties and you whimper as you feel her stroke your vulva through the thin fabric. She giggles, and you look away, the shame of arousal and want too much to bear. She crouches, gently pulling your trousers down. Her hands feel your buttocks and she pinches the band of your underwear. Then, slowly, she removes them, sighing in apparent satisfaction at the sight of your dripping vagina. She looks at it for a second, and the pause makes you look over at her. You watch as her open mouth embraces your waiting cunt. You gasp, the pleasure already immense. She holds your clit gently between her incisors, the tip of her agile tongue feathering it lovingly. You shudder, trying your hardest to hold still so she can continue her expert work. Keira pushes in, the embrace reaching deeper as more of her tongue laps at your clit, the tip piercing ever deeper inside of you. A small part of you notices the sharp tips of her fangs digging slightly into the soft flesh of your vagina, but the pleasure is too intense for you to focus on it. You feel yourself reaching climax. At this point you are quite literally sitting on Keira's face, your legs slung over her shoulders and crossed between her shoulder blades, your hands gripping at the wall against your back. She seems to have no trouble holding you up with her neck and jaw alone. Suddenly, as the familiar rush of orgasm approaches, you feel an entirely new sensation; an intense wave of pain coming from your writhing pussy. You stare down, unsure if you're screaming in pleasure or pain. Keira stares up at you, the blood rushing from your cunt into her mouth which is clamped around your vulva. You writhe, your face and body contorting, your breasts bouncing with each of Keira's gulps. The orgasm and the pain morph into one intense sensation which sends your eyes rolling back and your world spinning. You are vaguely aware of Keira lowering you softly to the ground as the world goes dark.

Slowly, you come to. The corridor is no longer dark, your new eyes pick out its dusty corners in perfect detail. You look into Keira's golden eyes as she holds you in her strong arms. You smile, feeling your fangs moving in your mouth. Your cunt still throbs.
"Thank you my love." You say. "Thank you for saving me from my humanity."
Keira smiles sweetly and kisses you softly on the lips.
"It was my eternal pleasure." She helps you stand. "Would you care to sample your new life's pleasures?"
You feel a deep but strong hunger where your heart should be. Sighing, one taloned hand caressing your newly muscle bound body, you nod.
"I want nothing more."