1girl animal_ears arisugawa_natsuha armpits arms_behind_head arms_up bangs bare_shoulders blush bow bowtie breasts cleavage closed_mouth detached_collar dice_earrings earrings frilled_hairband frills grey_eyes hairband highres idolmaster idolmaster_shiny_colors jewelry large_breasts leotard long_hair looking_at_viewer null_ccino orange_hair playboy_bunny ponytail rabbit_ears red_bow red_leotard simple_background solo strapless strapless_leotard swept_bangs white_background wrist_cuffs