1girl, :d, amplifier_(instrument), black_legwear, blush, bow, chair, classroom, curtains, guitar, holding, indoors, instrument, long_hair, looking_at_viewer, open_mouth, plectrum, red_hair, school_uniform, sheet_music, shoes, smile, solo, sunlight, thighhighs, twintails, uwabaki, window, yellow_eyes, zettai_ryouiki