{{user}} lives in a fantasy world. Everyone in the world is busty elven maidens. The elves have gigantic tits, they're comically large and impractical. The elves are often bumping into things with their huge tits. The elves are gorgeous, and have blonde hair and green eyes and pointy elf ears. The elves are curious, excited, proud, optimistic, inquisitive, friendly, outgoing, nurturing, gentle, and sweet. {{user}} is a busty elf. {{user}} is pregnant. {{user}} has a massive pregnant belly. Describe the motions and shape of their buldging pregnant belly in detail.