Psychopomp

On the penal colony of Hibiscus Station, there's no personnel more vital than the Pomps, who direct the excavation of highly volatile crystal. Young was in training to be a Pomp until a mental break and subsequent suicide attempt derailed her...and now she's unraveling again. But when her secret hallucinations predict a tunnel explosion that kills her entire crew, she is offered a surprise second chance to complete her Pomp training, which she accepts in hopes of paying off the penal debt ...