1girl bekkourico belt black_hair blonde_hair blush closed_eyes dress_shirt finger_to_mouth idolmaster idolmaster_cinderella_girls index_finger_raised jewelry koi_dance necklace ootsuki_yui ponytail pose producer_(idolmaster) scrunchie shirt short_shorts shorts sleeves_pushed_up smile spoken_squiggle spoken_star squiggle striped striped_shirt watch wristwatch