1. **Background**: - Use a European style cityscape as the background, such as the architecture of Paris or Bavaria. - Add some mysterious elements, such as shadows and fog, to the background to increase the sense of suspense. 2. **Characters**: - The silhouette or bust of the hero and heroine can be placed in the center. Sophie can show a strong and independent temperament, while Alexander can appear mysterious and affectionate. - There can be some interactive gestures between them, such as holding hands or back to back, suggesting their. 3. **Color**: - Use dark tones like dark blue, black and gray to enhance the sense of mystery. - Appropriately add red or gold elements to highlight and power the theme.

verybadimagenegative_v1.3, ng_deepnegative_v1_75t, (ugly face:0.8),cross-eyed,sketches, (worst quality:2), (low quality:2), (normal quality:2), lowres, normal quality, ((monochrome)), ((grayscale)), skin spots, acnes, skin blemishes, bad anatomy, DeepNegative, facing away, tilted head, {Multiple people}, lowres, bad anatomy, bad hands, text, error, missing fingers, extra digit, fewer digits, cropped, worstquality, low quality, normal quality, jpegartifacts, signature, watermark, username, blurry, bad feet, cropped, poorly drawn hands, poorly drawn face, mutation, deformed, worst quality, low quality, normal quality, jpeg artifacts, signature, watermark, extra fingers, fewer digits, extra limbs, extra arms,extra legs, malformed limbs, fused fingers, too many fingers, long neck, cross-eyed,mutated hands, polar lowres, bad body, bad proportions, gross proportions, text, error, missing fingers, missing arms, missing legs, extra digit, extra arms, extra leg, extra foot, ((repeating hair))