1girl, o, ass, asymmetrical_bangs, blush, braid, braided_bangs, double_w, grey_hair, hair_ribbon, hisakawa_nagi, idolmaster, idolmaster_cinderella_girls, kneeling, looking_at_viewer, one-piece_swimsuit, ribbon, school_swimsuit, simple_background, sincos, solo, swimsuit, twintails, w