Couverture de Light Novel Romance de Vilaine

A richly detailed Japanese fantasy light-novel book cover illustration for a royal villainess romance story, rendered in polished anime art style with luminous jewel tones. Setting & Composition: Vertical book cover layout framed by an ornate gold filigree border along all edges. In the upper-center background, a majestic white fairy-tale castle with tall blue spires is framed by a grand royal palace archway under a soft sky-blue and violet sky. Floating glowing blue-purple crystal shards, drifting pink rose petals, luminous magical sparkles, and clustered purple roses at the bottom create depth. Exactly 9 characters are layered across the composition. Characters: 1. Main heroine (central lower-right): a glamorous villainess with [long glossy black] hair, styled with jeweled hair ornaments, wearing an elaborate dark emerald-green and black off-shoulder ballgown with fine lace, gold chains, and emerald jewelry. 2. Central male lead (beside heroine): a poised nobleman with [silver white] hair wearing a tailored black military coat with gold aiguillettes, chains, and royal brooches. 3. Top-left: a red-haired knight in ornate dark red and silver plate armor with a fur-trimmed mantle. 4. Top-right: a blond royal prince in a high-collared navy uniform with gold epaulets and chains. 5. Left side: an elegant, reserved silver-haired noble lady in a dark navy court dress. 6. Right side: a soft blonde princess in a delicate pale-blue frilled gown with floral hair accents. 7. Mid-right: a dark-haired nobleman in a tailored dark suit with a crimson tie, shown in three-quarter view. 8. Bottom-left: an intense young black-haired nobleman in a black suit with gold trim and a crimson tie. 9. Bottom-right: a handsome blond nobleman in a white-and-gold ceremonial uniform with a red sash, posing with a gloved hand near his face. Typography: Across the lower-left to center area, render the prominent Japanese title: "[悪役令嬢は 今世こそ 幸せになりたい]" in elegant fantasy calligraphic lettering, featuring deep red and violet gradient accents on main kanji and black on kana. Centered delicately beneath it, add the smaller subtitle: "[断罪される人生なんて、もうこりごりですから。]". Style & Color Palette: Polished romantic anime light-novel cover art, crisp linework, glossy highlights, cinematic backlighting, and a luxurious color palette dominated by [royal navy, violet, emerald, gold, and icy blue]. No modern elements, barcodes, watermarks, or extra text.