Irene Ziegler

Irene's official role is that she is the medical doctor on Lamashtu.

However, this is a farce as she became the medical doctor on Lamashtu spacecraft on Dario Dalisso's order's. She is really on the ship to assist Dario on his quest to turn Margaret and Bianca into Dario's next set of brainwashed sex slaves.

Irene herself was completely brainwashed into Dario's sex slave during the storyline of Isis The Fall. She was also sexually corrupted, in appearance and function, into how she looks and acts now.

Irene assists Dario in corrupting Margaret and Bianca. She also helps Dario run the brainwashing device on the Margaret and Bianca.

Dario notes that, out of all of his sex slaves, Irene Ziegler is his most useful sex slave after Serena.