Rules of the Haunted Shop: I Sell Gum to Ghosts

I inherited my family's midnight convenience store.

First store rule: After midnight, customers wearing red pay nothing.

Second store rule: If the shelves restock themselves with "black goods," they must be sold within three days.

Third store rule: The old man next door comes every day to buy walnut-flavored chewing gum. Never sell him mint.

It wasn't until I saw the news that I learned the old man had died three years ago, and that night, I'd sold him the wrong gum...

This novel and its characters are entirely fictional. Any resemblance to actual people or events is purely coincidental. Do not imitate.