kusakabe rei, akizuki ritsuko, amami haruka, futami ami, futami mami, hagiwara yukiho, kikuchi makoto, kisaragi chihaya, minase iori, miura azusa, takatsuki yayoi, idolmaster, idolmaster (classic), bad id, bad pixiv id, 6+girls, :d, ahoge, back-to-back, blush, clenched hand, jacket, long hair, long skirt, long sleeves, multiple girls, open clothes, open jacket, open mouth, siblings, simple background, sisters, skirt, smile, twins, twintails, upper body, very long hair, white background, white skirt