1girl, ahoge, all_fours, bed_sheet, blush, braid, braided_ponytail, breasts, brown_hair, collarbone, hair_over_shoulder, huge_ahoge, idolmaster, idolmaster_shiny_colors, indoors, kuwayama_chiyuki, large_breasts, light_smile, looking_at_viewer, on_bed, otsudou, red_shawl, shawl, shirt, sleeveless, sleeveless_shirt, solo