(masterpiece), sakai masako, black hair, brown eyes, 1girl, school uniform, kitauji high school uniform, solo, serafuku, instrument, skirt, pink neckerchief, blue skirt, neckerchief, hair bow, bow, pleated skirt, sailor collar

easynegative, bad_prompt_version2, low quality, bad anatomy, bad proportions, extra legs, deformed anatomy, messy color, deformed fingers, distracted, sketch, censored, muscular, realistic, 3d, signature, loli, underage, abs, ribs