1girl, ass, bad_pixiv_id, black_chemise, black_panties, blue_hair, blush, breasts, butt_crack, dark_blue_hair, fukumaru_koito, idolmaster, idolmaster_shiny_colors, looking_at_viewer, looking_back, metamoru_tink, panties, red_eyes, shoulder_blades, simple_background, small_breasts, solo, twintails, underwear, underwear_only, wavy_hair, white_background