masterpiece, best quality, score_7, 1girl, solo, koki_chan, school uniform, serafuku, green sailor collar, upper body, wearing headphones, closed eyes, smile, music notes, school rooftop, blue sky, daytimeschool uniform, serafuku, green sailor collar, pleated skirt, headphones around neck, sitting, playing guitar, acoustic guitar, closed eyes, smile, classroom, afternoon, warm lighting, vivid colors

worst quality, low quality, normal quality, lowres, bad anatomy, bad hands, text, error, missing fingers, extra digit, fewer digits, cropped, jpeg artifacts, signature, watermark, username, blurry, artist name, trademark, title,backlighting, washed out, faded colors