Also known as: ヴィニエイラ様
Character from Sekai Seifuku: Bouryaku no Zvezda. Is the leader of the Zvezda organization intent on conquering the world and the alter ego of Kate Hoshimiya.
Warning, heavy spoilers:
She became the immortal resp. ageless leader of the Ancient Udogawan Civilization a very long time ago, has been given the Galaktika, a superweapon disguised as plush toy and has been plotting to conquer the world ever since.
Etymology: Venera/Венера is Russian for "Venus".