1girl :d bangs blue_eyes blue_hair blush bow breasts corset dress elbow_gloves gloves hair_between_eyes halloween hat hat_bow highres holding hololive hoshimachi_suisei knife long_hair looking_at_viewer medium_hair open_mouth ribbon side_ponytail small_breasts smile solo star_(symbol) star_in_eye symbol_in_eye virtual_youtuber witch_hat yuyaiyaui