Threesome Books

Ten doors. Ten monsters. Ten sessions of interactive data collection.

With a PhD from MIT and crushing student loans, Cat Woods accepts a suspiciously well-paid job "collecting samples" from creatures in an underground lab focused on STEM (Sex, Tech, Experiments, and Monsters).

Cat should be terrified… so why does she keep wanting to open the next door?

TW: nonstandard penetration, fluids (various), cumulative data, butt crawling, bodymorpherotica, impossibly large peens

Nikolai. Braxton. Derik. Three alphas who have pledged to protect the humans in their territory. All they ask in return is one night with the virgins of the villages, one night to take them under the blood moon and complete the ritual. This year is Lorelai’s turn. A winter born, cursed—or blessed—with powers rarely seen, Lorelai has been shunned by the other villagers her whole life. Once she’s taken to the wolves’ mansion, she takes matters into her own hands. After all, what if one night just isn’t enough?

Age Rating: 18+

They used to make her life miserable—every taunt, every smirk, every stolen moment meant to break her down. But growing up didn’t erase the magnetic pull she’s always felt toward the Drake twins. Now, seven years later, they’re back in her world—older, darker, and twice as tempting. Their arrogance is still there, but so is something new flickering behind those wicked eyes. Desire. Challenge. A dangerous game she swore she’d never play again. She tells herself she should walk away, but the truth is she’s never been good at resisting them—or the delicious kind of chaos they bring.

"You have always been mine.”

Mina never expected to see her stepbrother again—let alone like this. But when she steps into a secretive club, she walks straight into the arms of the one man who's been watching from the shadows… and waiting to make her his. Ronan, the ruthless head of Boston’s crime syndicate, doesn’t just want her—he owns her now. Years of silent obsession have built to this moment, and he won’t let anything—or anyone—stand between them. As enemies circle and the syndicate teeters on the edge, one thing’s clear: he’s not letting her go, no matter how dark things get.

Madison Davis is finally done with college. Time to go home, see her brothers and their best friends, the twins, and find a boyfriend who won’t cheat on her with her friend. But Madison’s life is upended when she sees the twins again. Suddenly they don’t feel so much like brothers to her, and she doesn’t feel like their friends’ bratty little sister to them, either... What are they going to do when they can’t resist each other any longer? And what will her brothers say?

Age Rating: 18+

Kassia's life takes a dramatic turn when she meets her new stepbrother, Grayson. Instantly captivated by his commanding presence, she finds herself navigating an uncharted sea of emotions. A chance encounter transforms their dynamic, leaving Kassia at the mercy of a growing attraction that defies all rules. Torn between what she feels and what she knows is forbidden, Kassia must decide if she’s ready to cross the line—or risk losing everything.

Larissa didn’t ask to be feared. But when shadows obey your every thought—sometimes a little too well—trouble follows. Now she’s broke, haunted by the past, and stuck cleaning up after three infuriatingly hot, infuriatingly powerful guys headed to an elite magic academy. She counted the days till they left. Then her own letter arrived. Now Larissa’s stepping into a school filled with nightmares, secrets, and monsters that wear heartbreakingly beautiful faces. Her shadows will protect her—but these boys? They might just destroy her... or fall with her. Either way, she’s not going quietly.

By day, Sara does a great impression of a meek, boring virgin living with her parents. At night, she transforms into her smart-mouthed, sassy alter-ego, Jessa Bell - bartender extraordinaire at one of the hottest clubs in Atlanta. With her twenty-first birthday quickly approaching, she has her sights set on moving out on her own and scoring a coveted position at Bliss, one of the most exclusive BDSM clubs on the East Coast. Then one night, three beautiful guys waltz in and forever alter the fabric of her reality. What started off as a simple flirtation soon turns into something so impossible to resist, none of them will ever be the same.

As if starting a new school isn't hard enough, Catalina finds herself at an academy for supernaturals. She's not sure that she belongs, but that's before she finds her mates - the dragon Mateo, the lycan Lucien, the fae Nick, and...How can one woman have so many mates? What kind of supernatural is Catalina?

Age Rating: 18+

She was rescued by the Borders pack, but identical triplets with striking looks have picked up her scent and become fixated with her. Despite her attempts to flee, their prowess makes escape seem futile.

With the Mating Moon approaching, they're determined to share her, for she's rare among the seven breedable females.

“She won't be going anywhere until we've had our fill of her. And under a Mating Moon, us males are insatiable.”

Rejected by the Alpha Twins she loves, Olivia Wilson decides to leave the known behind and embark on a new path. She joins the Lycan Academy and meets Leo, who promises her love free from hierarchy. But when lycan business calls her back to her old pack, a daunting choice looms: stay with her chosen mate or reconcile with the Alpha Twins who broke her heart. Secrets swirl, consequences await. Which path will she take?

Age Rating: 18+

Della, a blue-haired outcast, discovers she’s not the monster her parents claimed—she’s something much darker. After being attacked, she learns she’s a demon and is taken to Solomon Academy to harness her mysterious powers and control her growing hunger. But Della isn't just any demon; no one knows what she truly is. As she navigates a world filled with dangerous secrets and deadly enemies, she must figure out who she is—with the help of some intriguing allies and the threat of others who might want her dead.

11 YEARS AGO

It was still dark when Dad came to my bedchamber. The sun was still asleep, along with all of the birds. He was going on an adventure, he said, and he thought I’d like to come.

Of course I did.

I jumped from my bed. I put on my sheepskin coat. It was summer, but the mornings were still cool...

Summer is a headstrong and fiercely independent princess in a world run by men and dominated by dragons. Suddenly she finds herself in the clutches of domineering and tantalizing Twin Dragon Lords. Can she save herself and her kingdom, or will she fall for their darkly seductive charm?

Age Rating: 18+

Mafia brothers Max and Dimitri have no problems taking what they want. When good girl Kyle is forced into a life she never wanted to be part of, she finds herself questioning everything she knows about life, love, and the mob.

Age Rating: 18+ (Content Warning: Rape & Violence)

Austen lands a job at a top firm that offers more than just health benefits. Her new bosses are hard-headed, hot, and very interested in her. Can she juggle a relationship with them both and keep her job?