2girls, beat_the_world_(idolmaster), black_hair, blush, breasts, clothes_around_waist, crop_top, hanamasa_ono, idolmaster, idolmaster_million_live!, idolmaster_million_live!_theater_days, kikuchi_makoto, long_hair, looking_at_viewer, maihama_ayumu, midriff, multiple_girls, pink_hair, ponytail, shirt, shirt_around_waist, short_hair, shorts, simple_background, smile, waving