Rule 34 Dev - 1girl blue_hair breasts cleavage cloud9 crescent crescent_hair_ornament detached_collar diyokama dragon_girl dragon_horns fangs hair_ornament hand_on_own_shoulder highres horns long_hair looking_at_viewer medium_breasts open_mouth red_eyes smile vienna_(vtuber) vienna_(vtuber)_(1st_costume) virtual_youtuber|14398657767