Halloween Fox-Eared Fantasy Girl

Create a full-body watercolor anime character illustration on a tall vertical canvas with an off-white paper background, thin black outer border, and scattered gray and orange paint splatters. The subject is {argument name="character name" default="ミシェル"}, a small fantasy Halloween kemonomimi girl standing front-facing with a slight sleepy open-mouth expression, golden-orange eyes, rosy cheeks, and long messy {argument name="hair color" default="pink"} hair. She has exactly 2 large fluffy fox/cat ears on top of her head and 1 thick pink scaly dragon-like tail curling behind her legs. Dress her in an oversized tattered {argument name="coat color" default="orange"} Halloween jacket with black patchwork, ragged hems, zipper details, straps, buckles, small pumpkin-face patches, and a dangling pouch; underneath, show a black layered dress or skirt with gothic ruffles and a dark high-collar top with a small pendant. Add an asymmetrical pointed hood or jester-witch hat behind one ear in orange and black, decorated with a round eye-like emblem, a skull motif, and exactly 2 dangling charms: one small skull and one triangle. Add small bat wings attached behind the coat, exactly 2 wings total, orange with black edges. Footwear: exactly 2 chunky black lace-up boots with orange trim, mismatched socks, one orange-striped sock and one black fishnet sock. In the background, include exactly 3 separate flying bats: one dark bat on the upper right, one pale gray bat on the left, and one tiny dark gray bat near the upper left, plus a few star-shaped ink marks. Use delicate ink linework, soft watercolor washes, transparent layering, textured paper grain, and a cute dark-fantasy Halloween color palette of orange, black, gray, cream, and pink. Place a small handwritten signature reading {argument name="signature text" default="ミシェル"} at the bottom right. Avoid photorealism, avoid extra characters, avoid additional readable text, and keep the composition centered like a character concept art poster.