Welcome to the underworld mates series

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Dear Satan. 

Those two words are some of the sweetest that Lucifer has ever read. From December first to December twenty-fifth Lucifer dedicates everything to the happiest time of the year. With a snowstorm raging out his window, his fireplace roaring and warm, and a hot cocoa in his hand, Lucifer is enjoying his favorite month when a portal opens in his office.

Gage and Cary are desperate. In a few short days Gage’s parents are marrying him off to a woman since they don’t believe in true mates. Finding an old magic book in the attic, Cary tries his hand at summoning. If a demon can’t scare Gage’s parents and clowder into leaving them alone, then no one can. They never expected to find their third mate, the king of hell, and the Daddy that they’ve been looking for.

Finding his two mates in his living room is a shock. Lucifer is in for an exciting month and that doesn’t count all the presents he needs to assemble in his magical workshop. Dealing with an evil clowder leader, magic being abused, a kidnapped mate, and a moronic angel brother, Lucifer has his hands full. It’s a good thing that he has his own little helpers and Christmas magic!

This book contains MMM sexual content (men having sex with each other), Age Play, Daddy/boy/little relationship, ABDL, and age gap relations. This book is an exploration of a relationship between three (male) consensual adults that are looking for love and acceptance. All characters are over the age of consent. No cheating or cliffhangers.

Satan’s Little Helpers was first published as part of the a special edition included in the Unlocked Mates series and part of the Daddy Kink Age Gap Facebook group Christmas Daddies season 1.

This book has been moved to launch the brand new spin-off series. Only the cover and series changed. If you have previously purchased this book there is no need to buy this current copy. No changes were made to the story!

Bel's Bewildering Assistant: Underworld Mates Book 2. 

Coming Feb 2026

MM

Fated Mates

Paranormal Romance

MPreg