sparkling sweat bright hololive idol uniform fins black necktie dripping earpiece white bow medium hair bowtie official alternate costume sweat sharp teeth cropped torso artist name streaked hair multicolored hair fish tail white shirt two side up teeth simple background shark tail necktie short sleeves bow shirt looking at viewer navel shark girl hololive english microphone gawr gura white background open mouth standing hololive happy blue eyes blue hair tail virtual youtuber girl