Papayas
Janice Oman died.
But she died too early, before she could do what she was meant to do, so she was given a second chance—in a different body with a different life. Her purpose is to help people, and she's been provided with a list of names of people who need saving. Only she can help them, and the second she's finished, that's it. Back to the dead she goes.
One small problem. What happens if she gets attached to the world? Or someone in particular? What if she doesn't want to die in the end?