Bon Bon carefully moved one of her hindlegs between those of Rarity and was began to rub the cold, lower lips of the vampiric unicorn. Who on her own turn released a deep moan during the kiss. Though she couldn't help it but keep gazing to her in her arctic blue eyes. The eyes said enough already and Bon Bon didn't stop to rub it ever so gently before going in a little bit rougher.