The Shopkeep: A Morbid Tale (The Morbid Tales Book 1) by Zachery Miller

Cindy and Rachel break into a creepy old antiques and oddities shop. They’re just there for a steal and a quick buck, but what they don’t realize is that they’ve come for a whole different reason: the Devil’s Shopkeep awaits.
*The stories in The Morbid Tales series are stand-alone tales. There is no order to reading each book.