DEEP

by Jaine Diamond

4.13 · 35 ratings

bdsm · erotica · science fiction · futuristic · length-medium · military · explicit-plentiful · length-long · fantasy · age difference · new adult

DEEP: Similar series

Monstrous

by Lily Mayne

4.34 · 2451 ratings

explicit-plentiful · m-m · anal sex · monsters · queer · dystopian · first-person-pov · usa · sweet-hero · futuristic · paranormal · sunny hero · creative-anatomy · age difference · humor · fantasy · childfree-couple · audiobook · non-human-hero · male-pov

All books in this series ❯

New Species

by Laurann Dohner

4.13 · 1868 ratings

non-human-hero · possessive hero · dual-pov · california · third-person-pov · creative-anatomy · north-america · tortured hero · usa · fantasy · contemporary · m-f · alpha male · paranormal · urban fantasy · shapeshifters · audiobook · abuse · fated-mates · erotica

All books in this series ❯

THIRDS

by Charlie Cochet

4.23 · 664 ratings

fantasy · mystery · futuristic · science fiction · queer · shapeshifters · m-m · erotica · audiobook · paranormal · suspense · military · urban fantasy · men in uniform · humor · alpha male · contemporary · usa · anal sex · new-york-state

All books in this series ❯

Interstellar Service & Discipline

by Morgan Hawke

4.15 · 94 ratings

bdsm · poly · m-m-f · menage · science fiction · bisexual · futuristic · erotica · alpha male · m-f · aliens · anal sex · explicit-plentiful · double-penetration · length-long · slavery · contemporary · length-novella · dub-con · non-human-hero

All books in this series ❯

The Marriage Raffle

by Stasia Black

3.82 · 170 ratings

poly · military · dystopian · reverse harem · explicit-plentiful · double-penetration · multicultural · dual-pov · arranged marriage · science fiction · suspense · menage · found-family · war · anal sex · texas · tortured heroine · third-person-pov · survival · futuristic

All books in this series ❯

Metahuman Files

by Hailey Turner

4.19 · 150 ratings

suspense · paranormal · audiobook · m-m · science fiction · queer · superheroes · super rich hero · male-pov · futuristic · third-person-pov · men in uniform · dual-pov · north-america · fetish · dystopian · mental-trauma · military · war · anal sex

All books in this series ❯

Interstellar Brides

by Grace Goodwin

4.04 · 606 ratings

science fiction · audiobook · military · aliens · futuristic · non-human-hero · length-short · m-f · dual-pov · alpha male · first-person-pov · male-pov · multicultural · fighters · possessive hero · height-difference · fated-mates · erotica · explicit-plentiful · independent heroine

All books in this series ❯

Omegas of Pandora

by Lillian Sable

3.63 · 105 ratings

omegaverse · length-novella · dystopian · dark · alpha male · m-f · paranormal · from hate to love · explicit-plentiful · cruel hero · fantasy · futuristic · breeding · dub-con · science fiction · abuse · bdsm · urban fantasy · virgin heroine · erotica

All books in this series ❯

Grabbed

by Lolita Lopez

3.91 · 140 ratings

science fiction · bdsm · military · aliens · erotica · futuristic · alpha male · length-short · suspense · men in uniform · m-f · length-medium · virgin heroine · menage · non-human-hero · insta-love · spanking · possessive hero · breeding · dub-con

All books in this series ❯

Sci-Regency

by J.L. Langley

3.90 · 156 ratings

historical · queer · m-m · regency · futuristic · science fiction · military · fantasy · length-medium · bdsm · mystery · paranormal · age difference · aliens · length-novella · suspense · royalty · war · erotica · men in uniform

All books in this series ❯

Tales Of The Shareem

by Allyson James

3.91 · 169 ratings

science fiction · erotica · m-f · futuristic · bdsm · menage · aliens · alpha male · poly · length-short · shy heroine · length-medium · anal sex · class difference · length-novella · possessive hero · virgin heroine · cold hero · m-f-m · rich heroine

All books in this series ❯

Phantom Corps

by Lauren Dane

4.00 · 49 ratings

futuristic · fantasy · paranormal · length-medium · erotica · military · science fiction · suspense · contemporary · alpha male · poly · mystery · bisexual · m-m-f · menage · men in uniform · bdsm · m-f

All books in this series ❯

Interstellar Brides: The Virgins

by Grace Goodwin

4.10 · 81 ratings

non-human-hero · military · futuristic · aliens · science fiction · bondage · fated-mates · breeding · spanking · praise-kink · possessive hero · anal sex · audiobook · alpha male · dual-pov · fetish · gifted heroine · shapeshifters · fighters · virgin heroine

All books in this series ❯

Tsenturion Masters

by Lee Savino

3.90 · 47 ratings

spanking · commander · science fiction · explicit-plentiful · creative-anatomy · bdsm · non-human-hero · m-f · alpha male · multicultural · dual-pov · audiobook · erotica · praise-kink · dub-con · abduction · height-difference · double-penetration · length-medium · arranged marriage

All books in this series ❯

The Harvest

by M.A. Church

3.76 · 58 ratings

science fiction · queer · m-m · aliens · sweet-hero · height-difference · non-human-hero · futuristic · possessive hero · erotica · contemporary · multicultural · men in uniform · length-novella · angst · lgbtqia hate · royalty · creative-anatomy · explicit-plentiful · new adult

All books in this series ❯

DEEP

by Jaine Diamond

4.13 · 35 ratings

bdsm · erotica · science fiction · futuristic · length-medium · military · explicit-plentiful · length-long · fantasy · age difference · new adult

All books in this series ❯

NOLA Zombie

by Gillian Zane

3.73 · 52 ratings

science fiction · dystopian · audiobook · futuristic · horror · sassy heroine · paranormal · strong heroine · alpha male · erotica · length-medium · military · love triangle · tortured hero · explicit-plentiful · menage · young adult · men in uniform · survival · possessive hero

All books in this series ❯

Alien Quarantine Rescue

by Robin Lovett

3.47 · 37 ratings

non-human-hero · aliens · anal sex · monsters · erotica · explicit-plentiful · science fiction · first-person-pov · insta-love · praise-kink · length-short · fated-mates · dual-pov · slut-shaming · dystopian · bdsm · humor · possessive hero · futuristic · m-f

All books in this series ❯

Alpha's Woman

by Carolyn Faulkner

3.40 · 46 ratings

m-f · science fiction · omegaverse · length-novella · dystopian · audiobook · alpha male · bdsm · futuristic · paranormal · dub-con · erotica · explicit-plentiful · dark · historical · breeding · forced proximity · commander · suspense · shapeshifters

All books in this series ❯

Prison World

by Julie K. Cohen

4.07 · 44 ratings

fantasy · reverse harem · poly · audiobook · science fiction · alpha male · strong heroine · anal sex · humor · historical · length-medium · rape · tortured hero · menage · suspense · forced proximity · age difference · possessive hero · bad boys · futuristic

All books in this series ❯

Primarian Mates

by Maddie Taylor

4.14 · 38 ratings

science fiction · futuristic · military · audiobook · aliens · length-medium · erotica · m-f · bdsm · length-long · multicultural · explicit-plentiful · fantasy · alpha male · commander · suspense · paranormal

All books in this series ❯

Verdantia

by Patricia A. Knight

3.82 · 37 ratings

science fiction · length-medium · bdsm · erotica · m-f · contemporary · alpha male · futuristic · aliens · m-m-f · menage · magic · military · poly · fated-mates · fantasy · bisexual · paranormal · suspense · urban fantasy

All books in this series ❯

Steamwork Chronicles

by Cari Silverwood

4.05 · 21 ratings

contemporary · erotica · length-medium · explicit-plentiful · fantasy · steampunk · m-f · military · bdsm · anal sex · futuristic · spanking · horror · paranormal · m-f-f · poly · harems · dystopian · science fiction

All books in this series ❯

Lurid Power,

by Kat Barrett

0 · 0 ratings

science fiction · futuristic · erotica · bdsm · length-novella · length-medium · length-short · fantasy

All books in this series ❯

© Copyright 2015-2023, Elektrolabs Limited · Advertising Disclosure: Please note that many links to retailers are affiliate links, which yields a commission for us. romance.io is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to amazon.com.