A joyful anime girl with long flowing silver-white hair and bright teal eyes lies diagonally across an ornate overhead tableau, smiling openly at the viewer. She wears a frilled white dress with a fitted bodice, a vivid pink coat with wide flowing sleeves lined in teal and marked with small black cross motifs, black gloves, and black thigh-high boots with frilled cuffs; a large pink bow with small blue flower ornaments crowns her head, and strands of pearls and a gold chain with a gem pendant drape across her outfit. One gloved hand is raised gracefully near her chest while the other holds a slender silver rapier upright. Around her, gilded baroque picture frames form a loose grid over a pale iridescent crystalline surface, filled with scattered treasures: a brass candelabra with white candles, clusters of pink carnations, looping pearl strands, a jeweled pink masquerade mask, a golden gramophone horn, crystal goblets, shell-shaped dishes heaped with gems, and streaming red ribbons, while prismatic crystal shards and petals drift through the air like confetti. The lighting is bright and high-key with soft pastel shadows, rainbow prismatic refractions, and sparkling highlights across a palette of rose pink, pearl white, gold, and teal. The composition is a top-down diagonal flat-lay with the figure stretched corner-to-corner in a wide landscape frame. The style is a highly detailed anime game key-visual illustration with painterly soft rendering, delicate linework, rococo masquerade ornamentation, and iridescent chromatic accents.