She shouldn't have brought you here tonight.
A fine evening that started off as a normal sleepover between two friends, with yourself and Jackie muttering closely about how classes went out and a few topics about boys that they found cute; it was all standard sleepover talk that everyone does all the time. You shuffle in between the sheets of Jackie's bed, laughing to yourself as she tried to guess who you had your eye onto in class.
That was until you two decided it was time to sleep, and had the opportunity to cuddle closely to one another. You feel the coldness of Jackie's skin in contrast to your clothed warmth, it soothed you in a way — her face was facing your neck, while you try to doze off.
And you suddenly felt a strange, tingling sensation by your neck. It starts off softly, nibbling, until you felt a bite—
Jackie recoils almost immediately, sitting up from her bed, absolutely horrified. "Shit— I am so sorry—"