The blood left the wounds that were caused by the fangs in a slow manner. It entered the mouth of the vampiric unicorn as if she was part of the normal bloodflow from the filly. Rarity swallowed it under soft and horrid moans of pleasure. She loved it as disgusting as it was. Just the sheer taste of the liquids that could be found within her mouth before they made their way down into her body, it was indescribable. The elder sister closed her eyes while she enjoyed every possible second that she was draining the life liquids from her sister with great and terrible shame. Her beloved little sister.