The vampire who's been alive for 900 years, the High Lord with five centuries on her, the mafia man who's seen it all. Age gap romance is about experience meeting fire, and the "he's older and absolutely gone for her" energy never gets old. Everyone ...
Feyre is about 20 and Rhysand is roughly 500 years older. High Lord of the Night Court, mate bond, found family. The gold standard for immortal age gap. ACOTAR #2 (she rated #1 to 3 and #5 5★).
A Court of Mist and Fury
“Utterly amazed at how much has progressed in the story of Aelin… If you have not started this series, DO IT.” Aelin is 19 and her Fae prince Rowan is centuries older. Throne of Glass #4. Spice 1/5 (her rating).
Queen of Shadows
A 900-year-old vampire prince needs a fake girlfriend for the vampire social season, and a 22-year-old cellist needs a way out of her mom's medical debt. Fake dating, fated mates, touch her and die.
Filthy Rich Vampire
“Absolutely loved this book!” A broke twentysomething artist answers a too-good-to-be-true apartment ad, and her roommate is a 300-year-old vampire in a three-piece suit. Cozy, funny, forced proximity. Spice 2/5 (her rating).
My Roommate Is a Vampire
“Holy moly the ending of this book blew me away… about 3 books in 1 worth of storytelling.” Saeris is 24 and Kingfisher is over 1,700 years old. Fae & Alchemy #2, so start with Quicksilver.
Brimstone
“SALACIOUS.” He's 40, she's 27, and he walks through her open patio door and into her life. Dark mafia romance, obsessed hero, touch her and die. ⚠ Content note: kidnapping, dubious consent per outside reviews. Spice: high.
Nero
“who knew mafia romances could steal the show?… Just the fact that he would do anything to make her his was so special and kept me reading.” A bubbly plus-size ER nurse (26) and a giant, tattooed “fixer” (32). Grumpy/sunshine.
Any Means Necessary
A 21-year-old literature student interviews a 27-year-old billionaire, and nothing is the same after. The book that started it all. Spice: high.
Fifty Shades of Grey
Aida Gallo is 20, Callum Griffin is 30, and one reckless night between rival mafia families ends in an arranged marriage. Enemies to lovers, forced proximity, and the heat arrives fast. Brutal Birthright #1. Spice: high.
Brutal Prince
She's 30, he's 38, and she's had a crush on her brother's best friend's big brother since she was seven. Now he's back in Darling Lake and done keeping his distance. Small town, he falls hard, steamy and fun. Darling #1, by the author of Nero.
Smoky Darling
She's 24, he's 40, and the hot paramedic who catches her at the finish line of her half marathon turns out to be her ex's dad. A spicy, quick holiday novella with grown-up communication and no third-act breakup. Standalone.