1girl, ahoge, barefoot, blonde_hair, bocchi_the_rock!, bra, brown_eyes, butterfly_sitting, collarbone, detached_ahoge, drumsticks, holding, holding_drumsticks, ijichi_nijika, indian_style, long_hair, looking_at_object, mitsuo252, musical_note, on_bed, panties, parted_bangs, practicing, sheet_music, simple_background, single_sidelock, sitting, solo, studying, underwear, underwear_only, white_background, white_bra, white_panties