2girls, absurdres, back-to-back, bad_id, bad_pixiv_id, black_skirt, blue_eyes, blush, bocchi_the_rock!, cellphone, closed_eyes, closed_mouth, electric_guitar, gibson_les_paul, gotoh_hitori, guitar, highres, indoors, instrument, jacket, kita_ikuyo, long_hair, long_sleeves, md5_mismatch, multiple_girls, open_mouth, pants, pants_under_skirt, phone, pink_hair, pink_jacket, pink_pants, pleated_skirt, red_hair, resolution_mismatch, school_uniform, shirasuke_0822, shuka_high_school_uniform, sitting, skirt, smartphone, smile, source_larger