Mwanza was born in 1997 in Mbuji-Mayi, the third of six siblings, and spent her early childhood in Kasai Province.[2] Her father dispatched her mother and siblings to Kinshasa when she was eight years old, promising to rejoin them later. There, the children no longer attended school, and her mother held her responsible for the family's misfortune after a false prophet stated Mwanza was a witch.[2] He charged her mother for attempted exorcisms to rid Mwanza of witchcraft, but eventually she was thrown out on the street.[3]