1girl, blue_neckerchief, brown_eyes, brown_hair, detached_sleeves, dress, idolmaster, idolmaster_cinderella_girls, knees_up, looking_at_viewer, mmmakaron888, neckerchief, sailor_collar, sailor_dress, see-through, see-through_dress, sitting, solo, tachibana_arisu, thigh_strap, thighs, twintails, white_background