A Personified Death (Patreon)

Death visits a single mother of a 6 year old girl and informs her that their life will end at that day. Death gives them one wish which they can use in their remaining time and the mother chooses to as Death to accompany them for the rest of their lives. Death grows interested in this family and humanity gradually through conversations with the mother and daughter. when their end comes, Death decides to keep the child alive and hiding her to be a secret and teach her supernatural power.