Season 1 Darker then black.
Amber used the rest of her contractor powers to turn back time before they shot the Saturn system. Which means she died. Lee / Hei sister was always inside of Lee. She used her power and merged with Hei which is why he has no price for using his contractor powers. Bai power can alter matter on the quantum power and use electric shocks. So Hei used her power altered the matter inside the saturn system and broke the machine. So nothing happened to the contractors