1girl, adjusting_clothes, adjusting_panties, bare_arms, bare_shoulders, black_hair, blush, bra, closed_mouth, flat_chest, from_behind, fukumaru_koito, hiroki_(yyqw7151), idolmaster, idolmaster_shiny_colors, looking_at_viewer, looking_back, medium_hair, panties, red_eyes, simple_background, solo, underwear, underwear_only, wavy_mouth, white_background, white_bra, white_panties