Kieran works in the sector of the Machina Corporation dedicated to the biological sciences. Their primary work involves genome editing, whether that to make test subjects stronger or to give them advanced features. However, it doesn't always have test subjects available, causing them to experiment on itself out of impatience. They are fascinated with experiments like Linnaeus, admiring the fusion of different biological species. It typically works alone, as they are often annoyed with those who question its methodology or ethics.