1girl, ahoge, alternate_costume, black_skirt, black_socks, blush, breasts, brown_hair, collarbone, helloet11, huge_ahoge, idolmaster, idolmaster_shiny_colors, indoors, kuwayama_chiyuki, large_breasts, looking_at_viewer, love_hotel, neckerchief, on_bed, pleated_skirt, ponytail, red_neckerchief, school_uniform, serafuku, sitting, skirt, socks, solo, sweatdrop