1girl, bikini, blush, breasts, brown_eyes, cleavage, cleavage_cutout, closed_mouth, clothing_cutout, grey_sweater, idolmaster, idolmaster_cinderella_girls, large_breasts, long_sleeves, looking_at_viewer, mifune_miyu, ponytail, red_hair, short_hair, side-tie_bikini_bottom, sitting, smile, solo, sweater, swimsuit, tomajiyama, turtleneck, turtleneck_sweater, window