idolmaster, aoki hagane no arpeggio, shijou takane, kongou (aoki hagane no arpeggio), aegis (nerocc), 1:1 aspect ratio, 2girls, armband, ass, blue lipstick, bra, breasts, choker, elbow gloves, female, foreshortening, gloves, hime cut, large breasts, lipstick, long hair, makeup, multiple girls, navel, nipples, pantsu, purple eyes, red eyes, self shot, sideboob, simple background, small breasts, underwear