The Ujal

by Erin Tate

3.98 · 130 ratings

science fiction · aliens · futuristic · humor · length-novella · shapeshifters · erotica · alpha male · length-short · contemporary · m-f · royalty · open-door · military

The Ujal: Similar series

Ice Planet Barbarians

by Ruby Dixon

3.85 · 5161 ratings

aliens · science fiction · fated-mates · m-f · creative-anatomy · non-human-hero · explicit-open-door · futuristic · dual-pov · pregnancy · first-person-pov · erotica · humor · breeding · sweet-hero · height-difference · alpha male · forced proximity · insta-love · possessive hero

All books in this series ❯

Risdaverse

by Ruby Dixon

3.97 · 1712 ratings

aliens · dual-pov · science fiction · first-person-pov · non-human-hero · m-f · explicit-open-door · futuristic · sweet-hero · height-difference · creative-anatomy · possessive hero · small town · slow burn · forced proximity · past-abuse · length-novella · friends to lovers · insta-love · slavery

All books in this series ❯

THIRDS

by Charlie Cochet

4.25 · 608 ratings

mystery · suspense · m-m · paranormal · military · queer · shapeshifters · urban fantasy · erotica · men in uniform · futuristic · fantasy · science fiction · humor · contemporary · alpha male · dual-pov · anal sex · new-york-state · explicit-open-door

All books in this series ❯

Vandalar Concubines

by V.K. Ludwig

3.85 · 199 ratings

science fiction · aliens · humor · competent heroine · explicit-open-door · dual-pov · m-f · futuristic · independent heroine · length-short · boss & employee · possessive hero · forced proximity · erotica · sassy heroine · non-human-hero · career professional · first-person-pov · himbo · sunny hero

All books in this series ❯

The Pet Project

by Amanda Milo

3.80 · 84 ratings

forced proximity · slavery · m-f · dark · aliens · science fiction · explicit-open-door · futuristic · forced-pregnancy · tortured hero · possessive hero · erotica · breeding · alpha male · length-novella · humor · disabilities and marks · abuse · tortured heroine · strong heroine

All books in this series ❯

Matrix of Destiny

by Dara Joy

3.90 · 154 ratings

science fiction · shapeshifters · futuristic · length-medium · humor · fantasy · m-f · paranormal · witches · contemporary · aliens · alpha male · magic · explicit-plentiful · fated-mates · length-novella · virgin heroine · pregnancy · non-human-hero · royalty

All books in this series ❯

Alien Mate

by Eve Langlais

3.57 · 74 ratings

m-f · non-human-hero · science fiction · humor · aliens · futuristic · abduction · contemporary · erotica · curvy heroine · length-novella · alpha male · possessive hero · rape-mc · pregnancy · behind-doors · human-trafficking · harems · forced proximity · arranged marriage

All books in this series ❯

Zandian Masters

by Renee Rose

3.86 · 209 ratings

futuristic · science fiction · bdsm · spanking · aliens · m-f · non-human-hero · multicultural · forced proximity · alpha male · height-difference · explicit-plentiful · past-abuse · third-person-pov · slavery · erotica · bondage · male-pov · insta-love · dual-pov

All books in this series ❯

Unearthly World

by C.L. Scholey

3.88 · 130 ratings

erotica · aliens · science fiction · length-novella · futuristic · pregnancy · alpha male · m-f · possessive hero · strong heroine · non-human-hero · monsters · shapeshifters · breeding · tortured heroine · fantasy · length-short · abuse · paranormal

All books in this series ❯

Dragon Men

by Amber Kell

3.81 · 86 ratings

m-m · fated-mates · queer · length-novella · shapeshifters · contemporary · aliens · paranormal · futuristic · fantasy · science fiction · bdsm · erotica · royalty · mystery · m-m-m · magic · menage · behind-doors · anal sex

All books in this series ❯

Rebel Force

by Lee Savino

4.28 · 82 ratings

forced proximity · futuristic · science fiction · length-medium · aliens · alpha male · shapeshifters · explicit-open-door · m-f · dragon shifter · war · fighters · insta-love · past-abuse · possessive hero · multicultural · abduction · male-pov · height-difference · non-human-hero

All books in this series ❯

Interstellar Brides: The Virgins

by Grace Goodwin

4.09 · 76 ratings

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

All books in this series ❯

The Ujal

by Erin Tate

3.98 · 130 ratings

science fiction · aliens · futuristic · humor · length-novella · shapeshifters · erotica · alpha male · length-short · contemporary · m-f · royalty · open-door · military

All books in this series ❯

Alien Mate Index

by Evangeline Anderson

3.91 · 115 ratings

science fiction · humor · futuristic · aliens · non-human-hero · dual-pov · m-f · length-long · curvy heroine · fated-mates · alpha male · erotica · explicit-open-door · possessive hero · paranormal · height-difference · length-medium · sweet heroine · first-person-pov · political-intrigue

All books in this series ❯

The Arcadians

by Laurie Roma

4.01 · 41 ratings

explicit-plentiful · reverse harem · m-f-m · menage · shapeshifters · science fiction · aliens · poly · erotica · class difference · royalty · contemporary · non-human-hero · futuristic · tortured heroine · length-medium · mental-trauma · alpha male · possessive hero · magic

All books in this series ❯

Alien Space Pirates

by Mara Frost

3.91 · 37 ratings

science fiction · futuristic · aliens · humor · alpha male · length-novella · erotica · non-human-hero

All books in this series ❯

Warriors of Kaizon

by Luna Hunter

3.72 · 67 ratings

length-novella · humor · military · shapeshifters · science fiction · aliens · futuristic · alpha male · possessive hero · non-human-hero · royalty · dystopian · virgin heroine · erotica · breeding · insta-love · fighters · fantasy · paranormal · black-mc

All books in this series ❯

Orion

by Cathryn Cade

3.54 · 51 ratings

shapeshifters · futuristic · erotica · science fiction · length-novella · contemporary · aliens · paranormal · fantasy · length-short · alpha male · suspense · m-f

All books in this series ❯

Taken

by Stacy Jones

4.01 · 50 ratings

reverse harem · poly · aliens · science fiction · military · strong heroine · erotica · alpha male · m-f · insta-love · futuristic · non-human-hero · forced proximity · abduction · sweet-hero · multicultural · possessive hero · humor · fighters · length-medium

All books in this series ❯

Sky Warriors

by Sadie Carter

4.07 · 25 ratings

erotica · contemporary · futuristic · aliens · humor · science fiction · fighters · insta-love · possessive hero · alpha male · small town · strong heroine · non-human-hero · shapeshifters · sweet-hero · christmas · super rich hero · length-short · length-novella · spanking

All books in this series ❯

Alpha Colony

by Aubrey Ross

3.66 · 30 ratings

erotica · science fiction · paranormal · length-novella · futuristic · shapeshifters · fantasy · alpha male · anal sex · m-f · bdsm · werewolves · military

All books in this series ❯

Galactic Mates

by Luna Hunter

4.16 · 57 ratings

military · futuristic · humor · aliens · science fiction · shapeshifters · length-novella · new adult · length-short

All books in this series ❯

Growl and Prowl

by Eve Langlais

4.21 · 19 ratings

non-human-hero · paranormal · m-f · independent heroine · shapeshifters · fantasy · from hate to love · abuse · humor · mystery · suspense · non-human-heroine · cold heroine · alpha male · length-novella · futuristic · science fiction · explicit-open-door · arranged marriage · working class heroine

All books in this series ❯

The Beast Masters

by Mandy M. Roth

3.65 · 23 ratings

erotica · werewolves · shapeshifters · length-novella · menage · men in uniform · futuristic · fantasy · paranormal · aliens · military · bdsm · science fiction · m-f-m · demons · breeding · witches · length-short · poly · vampires

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.