Rule 34 Dev - 1girl blue_eyes blue_hair blunt_bangs eto_sister fins fish_tail from_above gawr_gura grey_hair hair_ornament happy_birthday highres hololive hololive_english innertube looking_at_viewer multicolored_hair ocean open_mouth shark_girl shark_tail sharp_teeth smile solo streaked_hair swim_ring swimsuit tail teeth two_side_up virtual_youtuber water|22751384643