Ulthia: Similar series
An Uncommon Whore
by Belinda McBride
3.81 · 45 ratings
science fiction · futuristic · contemporary · suspense · royalty · m-m · dark · slavery · abuse · aliens · queer · military · length-short · first-person-pov · secret child · second chances · fantasy · rape · pirates · commander
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Tribute Brides of the Drexian Warriors
by Tana Stone
4.08 · 137 ratings
science fiction · aliens · military · futuristic · length-short · non-human-hero · m-f · multicultural · abduction · length-medium · fantasy · humor · from hate to love · contemporary · height-difference · pirates · commander · sassy heroine · paranormal · alpha male
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Maxim Colonies
by Lesli Richardson
4.09 · 34 ratings
science fiction · aliens · super rich hero · length-short · futuristic · shy-hero · mystery · creative-anatomy · multicultural · insta-love · anal sex · dual-pov · pregnancy · breeding · queer · first-person-pov · demi-sexual-hero · m-f-x · height-difference · non-human-hero
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Xian Warriors
by Regine Abel
4.28 · 122 ratings
non-human-hero · military · m-f · science fiction · multicultural · creative-anatomy · futuristic · aliens · humor · competent heroine · explicit-open-door · suspense · virgin hero · strong heroine · fated-mates · war · gifted heroine · insta-love · sweet-hero · bodyguard-hero
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Captured by a Dragon-Shifter
by Michelle M. Pillow
3.84 · 45 ratings
demons · shapeshifters · paranormal · aliens · fantasy · science fiction · length-novella · non-human-hero · length-short · futuristic · m-f · young adult · new adult
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Distant Worlds
by Kelly Lucille
4.15 · 35 ratings
length-short · futuristic · science fiction · aliens · fantasy · fated-mates · military · virgin heroine · alpha male · pirates
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Imperial Princes
by Mina Carter
3.68 · 35 ratings
science fiction · futuristic · aliens · length-short · abuse · open-door · military · m-f · rape · rape-mc · harems · explicit-open-door · working class heroine · commander · independent heroine · cold hero · cruel hero · length-novella · erotica · strong heroine
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Serpents of Serant
by Robin O'Connor
4.41 · 64 ratings
m-f · aliens · science fiction · dual-pov · fantasy · fated-mates · futuristic · explicit-plentiful · length-short · creative-anatomy · paranormal · explicit-open-door · height-difference · non-human-hero · monsters · multicultural · erotica · from hate to love · military · angst
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Alien Castaways
by Cara Bristol
4.22 · 36 ratings
science fiction · length-short · betrayal · paranormal · futuristic · aliens · fantasy · non-human-hero · time travel · witches · demons · length-novella · contemporary · marriage of convenience · angels · humor · mystery · from hate to love · fated-mates
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Trident Alliance Mail Order Brides
by Athena Storm
3.89 · 28 ratings
length-short · science fiction · paranormal · aliens · futuristic · fantasy · dual-pov · m-f · strong heroine · explicit-plentiful · commander · competent heroine · anal sex · aristocratic heroine · betrayal · outlaw-heroine · nerdy-hero · alpha male · class difference · military
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Genetically Modified
by Holly S. Roberts
4.06 · 34 ratings
shapeshifters · aliens · fantasy · paranormal · dystopian · m-f · military · length-short · suspense · found-family · demons · urban fantasy · strong heroine · futuristic · science fiction · new adult · length-medium · dark · post-apocalyptic · horror
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Fated Mates of the Titan Empire
by Tammy Walsh
4.29 · 43 ratings
science fiction · aliens · length-short · humor · futuristic · monsters · paranormal · military · multicultural · new adult · length-medium · tortured hero · erotica
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Vukasin Saga
by B.D. Snowden
4.12 · 24 ratings
futuristic · science fiction · length-short · aliens · height-difference · non-human-hero · length-medium
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Cyborg Force
by Cara Bristol
4.50 · 18 ratings
length-short · science fiction · from hate to love · military · forced proximity · mystery · suspense · fantasy · futuristic · aliens · betrayal · mature couple · paranormal · insta-love · alpha male
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Tharan Warrior Menage
by Kallista Dane
4.00 · 17 ratings
science fiction · futuristic · aliens · length-novella · length-short · cruel hero · erotica · menage · tortured hero · insta-love · age difference · disabilities and marks · fighters · abduction
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Hissa Warrior
by R.K. Munin
4.00 · 32 ratings
science fiction · length-short · aliens · dual-pov · m-f · futuristic · height-difference · explicit-plentiful · working class heroine · competent heroine · past-abuse · caretaking · angst · death · slavery · independent heroine · commander · non-human-hero · curvy heroine · poor heroine
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Auxem
by Lisa Lace
4.20 · 10 ratings
science fiction · futuristic · military · multicultural · length-short · contemporary · aliens · sports · fantasy · paranormal · suspense
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Palaxian protectors of Earth
by Snow Morningstar
4.67 · 3 ratings
military · length-short · aliens · science fiction · futuristic · demons · shapeshifters · witches · multicultural
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Crimson Realm Chronicles
by Taryn Jameson
0 · 0 ratings
shapeshifters · length-short · futuristic · aliens · science fiction · fantasy · paranormal · dragon shifter · lion shifter · magic · length-medium
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