masterpiece, best quality, highly detailed illustration, anime style, 1girl, female focus, solo, long black hair, twin tails, black twin tails, smooth straight hair, neat hair, pink eyes, bright pink eyes, black horns, sharp pointed horns, two horns, demonic horns, black tail, demon tail, long thin tail, heart-shaped tail tip, heart-shaped tail end, black lace tank top, black lace camisole, lace fabric, delicate black lace details, oversized black hoodie, black hooded jacket, loose sleeves, long sleeves, sleeves covering the arms, hoodie worn over the tank top, cute demon girl, soft feminine features, youthful appearance, relaxed expression, calm expression, slightly open mouth, lying down, lying on a bed, lounging lazily on the bed, relaxed body posture, completely relaxed, lazy pose, careless posture, white bedsheets, soft bedsheets, wrinkled bedsheets, lying on the sheets, comfortable bedding, bedroom background, cozy bedroom
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