masterpiece,best quality,anime style,solo female,teenage girl, black and dark brown medium-length fluffy hair, slightly messy soft hair, gentle large eyes, natural cheerful smile, calm and innocent appearance, slightly oversized black and white casual clothes,long sleeves, subtle oversized sleeves, holding a smartphone in one hand, slightly playful pose, relaxed atmosphere, creative girl, surrounded by sketchbooks and character design notes, cozy bedroom, cute but not overly sweet, quiet-looking but energetic personality, warm atmosphere,detailed face,soft lighting, clean lineart, modern anime illustration,upper body
