character: satono_diamond_(umamusume). A luxury fashion design sheet presented as a medium shot from front, side, and back views against a clean white background, featuring satono_diamond_(umamusume) showcasing an evening ensemble. She has very long brown hair in a half-updo with a braid and prominent horse ears. She wears a luxurious black stretch velvet evening gown with an off-shoulder neckline, a folded velvet collar, and a fitted corset silhouette that emphasizes her large breasts. The dress features sheer long lace sleeves with floral embroidery, a crystal floral brooch at the left waist, and delicate gathered draping across the bodice. The full-length mermaid skirt includes a dramatic thigh-high front slit and flows into a floor-length train with elegant folds. She is accessorized with diamond earrings, a necklace, a bracelet, a ring, and black platform high heels. Her expression is elegant and poised, with her hands resting naturally by her sides in each view. The lighting is bright and even, highlighting the rich texture of the velvet and the intricate lace embroidery in a high-quality anime illustration style.