1girl, atsuko_(blue_archive), blue_archive, blush, breasts, cheerleader, cosplay, holding, holding_pom_poms, long_hair, looking_at_viewer, millennium_cheerleader_outfit_(blue_archive), miniskirt, murase48, navel, pom_pom_(cheerleading), purple_eyes, purple_hair, simple_background, skirt, solo, stomach, twitter_username