akino takehiko, akizuki ritsuko, futami ami, futami mami, idolmaster, idolmaster (classic), idolmaster 1, 00s, 3girls, :d, :o, ^ ^, adjusting eyewear, antenna hair, arm at side, arms up, bare shoulders, black dress, black gloves, black ribbon, blush, breasts, brown eyes, brown hair, cleavage, cleavage cutout, clenched hand, clenched teeth, closed eyes, clothing cutout, covered erect nipples, dress, elbow gloves, female focus, formal clothes, glasses, gloves, gradient background, grin, hair down, halterneck, hand up, happy, large breasts, long hair, long sleeves, looking at viewer, matching hair/eyes, multiple girls, neck, open mouth, orange dress, ribbon, short hair, siblings, side ponytail, sisters, smile, standing, teeth, twins, wide sleeves