ABYSS - A soul that never fades (Revamped)

After her sister's death, Mariah is left alone and distraught. Struggling to cope, Mariah starts searching for work when a strange package appears on her doorstep, intended for her. Little does she know taking this package will change her life and destiny. A black gen that keeps her alive no matter what. But instead of immortality like most would believe.... Every time she dies she is instead transported to another universe, at first she doesn't notice, but as time goes on and she travels the multiverse, she notices she doesn't belong. Will she learn to live with this? Will she be in danger once people realize her abilities? And most importantly will she get back home?