1girl, ahoge, alternate_costume, ass, ass_cutout, blonde_hair, blue_sky, blush, c_(theta), cheerleader, clothing_cutout, cropped_shirt, from_behind, holding, holding_pom_poms, ibuki_tsubasa, idolmaster, idolmaster_million_live!, looking_at_viewer, looking_back, miniskirt, outdoors, panties, pleated_skirt, pom_pom_(cheerleading), red_eyes, short_hair, skirt, sky, smile, solo, underwear, upskirt, yellow_panties