1girl, bikini, blush, breasts, breasts_apart, brown_hair, collarbone, double_v, emor18_shikeko, fingernails, full-face_blush, idolmaster, idolmaster_shiny_colors, indoors, kneeling, long_hair, looking_at_viewer, micro_bikini, navel, on_bed, osaki_tenka, red_bikini, small_breasts, smile, solo, straight_hair, swimsuit, v, very_long_hair