1girl, armpit_crease, bikini, bikini_top_only, black_hair, blush, breasts, cleavage, green_skirt, idolmaster, idolmaster_shiny_colors, kobinbin, large_breasts, long_hair, looking_down, navel, plaid, plaid_skirt, pleated_skirt, ponytail, shirase_sakuya, shirt, simple_background, skirt, solo, stomach, sweatdrop, swimsuit, undressing, very_long_hair, white_background, white_bikini, white_shirt