A gynoid, like Flandre and Francisca, of the Royalty. Her master is Sylvia, the first princess of the Royalty, imprisoned by Kiniski. A sister machine to Flandre, her appearance is that of an adult female in a maid costume. She uses a large drill, which replaced her destroyed left forearm as a weapon. She later joins forces with the Fly Man and Micasa to free her mistress.

Spoiler

In the later manga chapters her large drill is been replaced a with a forearm.

(Source: Wikipedia)