2girls, bad_pixiv_id, billyonthestraw, blazer, bocchi_the_rock!, bow, brown_jacket, gotoh_hitori, green_eyes, grey_skirt, guitar, holding, holding_instrument, indoors, instrument, jacket, kita_ikuyo, long_hair, long_sleeves, motion_lines, multiple_girls, music, one_side_up, open_mouth, pants, pants_under_skirt, parody, pink_jacket, pink_pants, playing_instrument, pleated_skirt, red_bow, red_hair, school_uniform, sexually_suggestive, shuka_high_school_uniform, skirt, surprised, track_jacket, track_pants, wide-eyed