An effective cover could include: 1. Protagonist Couple: boy and girl in Korean school uniforms, showing a deep connection. 2. Red thread: Symbolically tied to his little fingers, connecting them visibly. 3. School Scenario: Characteristic elements of a school such as buildings, hallways with lockers or a sports field. 4. K-Drama Aesthetics: soft and warm colors, romantic and youthful lighting, light effects and pastel colors for a dreamy touch. 5. symbolic details: Falling cherry blossoms or a cityscape in the background to add a poetic and cultural touch.

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))