Tags: Belly Birthday birthday girl birthday girl pred birthday girl predator birthday party birthday party vore birthday vore Brother brother prey Casual Casual digestion Casual vore Consensual Consensual digestion Consensual vore crazy digestion Detailed Digestion digested alive Digestion digestive acid digestive acids Digestive Aid digestive fluid digestive fluids digestive juices F/M family family vore Fatal fatal digestion Graphic digestion happy digestion happy prey happy vore naked prey Nude prey Oral Vore Same Size Sibling sibling vore Siblings siblings vore sister sister digests brother sister eats brother sister pred sister predator Sister/Brother sister/brother vore Soft Vore stomach acid stomach acids Swallowed Vore story Willing willing digestion Willing prey writing