My Convenience Store Connects to the Black Market, Where I Sell Lifespans

(Urban Fantasy) + (Suspense) + (Survival) + (Strong Female Lead)

Terminally ill, I sold other people's lifespans on the black market to buy more time for myself. It wasn't until the first person who sold their life fell into a coma and hovered near death that I realized this business was harvesting more than just time. It was taking my soul, too.