Rebirth After the Doomsday: the Rise of a Little Lolita Who Becomes a Underworld

[Silver-haired little lolita➕male to female➕no male protagonist➕big female protagonist➕sticker➕zombie➕alien beast➕materials➕powers➕secret realm➕early plot is mainly relaxing] Three years after the end of the world, the protagonist and his sister encountered the death of a zombie horde. A mysterious voice suddenly appeared, and they were strangely reincarnated into a "little lolita with silver hair and red eyes", or a mafia lady? Don't panic! Just become a girl, let's see how the little loli dominates the apocalypse... Awakening super powers (Xxxxxx) A mysterious existence within the space of consciousness? Gradually unravel the mystery of the world and rebirth...