1girl, o, arm_up, bad_twitter_id, black_sports_bra, blue_eyes, blush, breasts, brown_hair, cleavage, earphones, ichinose_shiki, idolmaster, idolmaster_cinderella_girls, lamp_p9, looking_at_viewer, medium_breasts, navel, simple_background, solo, sports_bra, sweatdrop, underwear, upper_body, white_background