Aurora Cassel was born into a wealthy family in France. The girl was born with a hearing defect due to a mutation of the GJB2 gene and underwent a course of gene therapy.

She received a good education, but she quickly got bored with the rich, free life, so she began to hunt for new experiences.

This desire led Aurora to join the French criminal group Le Collectif. Later, the girl came into conflict with the group, and now there is a reward for her murder. Aurora spent five years in the VIP section of La Sante prison.

At some point, Aurora and Emerick joined the Kinosura project of Militech. The twins were not in good standing with other employees of the project: according to them, the twins sat in a separate office when others did not have such luxury, asked questions, doubted the competence of the employees and even recommended that the directorate curtail the project as soon as possible. They were both called abnormal