1girl armpits bare_shoulders black_hair blue_eyes cosplay detached_sleeves glasses hand_on_own_hip hand_up hatsune_miku hatsune_miku_(cosplay) headset highres idolmaster idolmaster_shiny_colors long_hair mitsumine_yuika necktie nihakusanren official_cosplay one_eye_closed smile solo tongue tongue_out twintails v vocaloid