Dark romance is a subgenre of romance in which the love story unfolds inside a dangerous world and the man you fall for is part of that danger. Power, debt and desire are tangled together, and the happy ending has to be earned rather than assumed.
Readers coined the label to separate these stories from the rest of the shelf. A dark romance borrows the tools of the thriller: organised crime, gambling debts, blackmail, a club that runs after hours. The setting is rough and the feelings match it. What makes it romance rather than crime fiction is that the attraction is the plot, not a subplot.
Three signs tell you you're reading one. He holds leverage over you or over someone you love. The line between protecting and possessing keeps moving. And you catch yourself asking whether he can be trusted long after you've already started trusting him.
“Under His Protection” is the clearest example in the catalogue: the new capo of the Neapolitan family is on your doorstep, and you are holding the ledgers that could destroy him. In “The Antiquarian's Debt” you walk into a Berlin gaming club to buy your brother free, and the publisher across the table already knows your story. For a quieter shade of dark, there is the August heat of “Summer House by the Baltic Sea”.
At Everglow you do not just read it. You are the protagonist, and every chapter ends with your move.