1girl, o, akizuki_ritsuko, antenna_hair, artist_name, black-framed_eyewear, blush, bow, bow_panties, breasts, brown_hair, cleavage, collarbone, crotch_seam, frills, front-tie_top, full_body, glasses, green_panties, green_shirt, head_tilt, holding, holding_removed_eyewear, idolmaster, idolmaster_(classic), inoue_sora, looking_up, medium_breasts, nail_polish, navel, on_one_knee, panties, round_eyewear, shirt, simple_background, solo, tied_shirt, toenail_polish, toenails, toes, underboob, underwear, underwear_only, unworn_eyewear