Out of This World Alien Romances: Similar romance series

The Four Horsemen

by Laura Thalassa

3.96 · 1689 ratings

magic · fated-mates · contemporary · paranormal · torture-scs · abuse · from hate to love · immortal-hero · new adult · cruel hero · first-person-pov · dark · war · urban fantasy · strong heroine · 100-plus-years-mmc · death · age difference · fantasy · forced proximity

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An Ember in the Ashes

by Sabaa Tahir

4.17 · 796 ratings

war · dystopian · high fantasy · fantasy · young adult · dark · military · strong heroine · dual-pov · class difference · magic · male-pov · paranormal · competent heroine · warrior-heroine · fighters · slow burn · cliffhanger · tortured hero · angst

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Hold

by Claire Kent

3.71 · 560 ratings

standalone · third-person-pov · ic-standalone · futuristic · standalone-first · science fiction · audiobook · m-f · insta-love · explicit-open-door · caretaking · dystopian · sweet-hero · rape-non-mc · alpha male · poor heroine · possessive hero · cold hero · fighters · working class hero

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Corsairs

by Ruby Dixon

3.87 · 535 ratings

aliens · slow burn · dual-pov · creative-anatomy · standalone · explicit-open-door · non-human-hero · military · first-person-pov · possessive hero · m-f · erotica · science fiction · pirates · standalone-first · futuristic · forced proximity · multicultural · sweet-hero · friends to lovers

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Dark Space

by Lisa Henry

4.12 · 186 ratings

m-m · science fiction · queer · futuristic · hurt-comfort · suspense · audiobook · rape-non-mc · lgbtqia hate · death · male-pov · aliens · suicide · tortured hero · sweet-hero · class difference · angst · dystopian · mental-trauma · past-sexual-abuse

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The Rising

by Kristen Ashley

4.08 · 231 ratings

demons · arranged marriage · magic · fated-mates · witches · paranormal · suspense · fantasy · alpha male · audiobook · explicit-open-door · pirates · historical · length-long · independent heroine · mystery · erotica · fae · sassy heroine · royalty

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Midnight Harbor

by Nikki St. Crowe

3.93 · 210 ratings

vampires · fantasy · paranormal · audiobook · shapeshifters · witches · new adult · from hate to love · explicit-plentiful · fae · dark · bdsm · praise-kink · possessive hero · urban fantasy · super rich hero · age difference · erotica · alpha male · bondage

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The Pet Project

by Amanda Milo

3.81 · 114 ratings

dark · standalone · explicit-open-door · possessive hero · alpha male · audiobook · m-f · science fiction · slavery · standalone-first · futuristic · aliens · forced proximity · sweet-hero · length-novella · disabilities and marks · tortured hero · sweet heroine · abuse-non-mc · past-sexual-abuse

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Accidental Alien Brides

by January Bell

4.00 · 340 ratings

science fiction · ic-standalone · standalone · non-human-hero · military · audiobook · humor · aliens · standalone-first · dual-pov · explicit-open-door · possessive hero · first-person-pov · length-short · futuristic · forced proximity · arranged marriage · slow burn · strong heroine · monsters

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Wrath & Rain

by Nikki St. Crowe

3.88 · 146 ratings

demons · fantasy · witches · audiobook · m-f · alpha male · paranormal · from hate to love · cruel hero · explicit-open-door · dark · urban fantasy · vampires · magic · mystery · age difference · bad boys · length-short · contemporary · non-human-hero

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Alien Warrior

by Penelope Fletcher

3.85 · 134 ratings

third-person-pov · dual-pov · audiobook · science fiction · aliens · futuristic · abduction · alpha male · m-f · explicit-plentiful · reverse harem · dub-con · sweet-hero · rape · virgin hero · insta-love · past-sexual-abuse · non-human-hero · dark · menage

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Forbidden Reverse Harems of Harmony Valley

by Summer Haze

4.07 · 117 ratings

insta-love · cheerful heroine · possessive hero · sunny hero · anal sex · hurt-comfort · dual-pov · double-penetration · small town · sweet heroine · shy heroine · m-f-m · spanking · reverse harem · independent heroine · humor · age difference · competent heroine · contemporary · poly

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Raider Warlords of the Vandar

by Tana Stone

4.06 · 240 ratings

audiobook · science fiction · aliens · alpha male · explicit-open-door · humor · m-f · from hate to love · military · possessive hero · length-short · commander · strong heroine · length-medium · fated-mates · competent heroine · dub-con · dual-pov · height-difference · creative-anatomy

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Galactic Gems

by Clio Evans

3.70 · 69 ratings

creative-anatomy · sweet-hero · dual-pov · anal sex · breeding · bondage · bdsm · insta-love · non-human-hero · science fiction · explicit-plentiful · height-difference · audiobook · aliens · fated-mates · futuristic · dvp · double-penetration · praise-kink · cheerful heroine

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Galactic Gladiators

by Anna Hackett

4.08 · 298 ratings

m-f · aliens · science fiction · futuristic · audiobook · length-short · military · erotica · explicit-open-door · non-human-hero · tall-heroine · alpha male · abduction · warrior-heroine · insta-love · fighters · strong heroine · possessive hero · length-novella · independent heroine

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The Last Tritan

by Myra Danvers

3.96 · 59 ratings

magic · slavery · first-person-pov · cruel hero · rape-mc · dark · fantasy · forced proximity · virgin heroine · alpha male · dub-con · commander · from hate to love · science fiction · dystopian · bdsm · military · tortured heroine · dangerous heroine · possessive hero

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Interstellar Brides: The Virgins

by Grace Goodwin

4.08 · 85 ratings

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

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North Security

by Skye Warren

3.85 · 82 ratings

contemporary · audiobook · age difference · explicit-open-door · military · new adult · angst · forbidden love · suspense · length-short · super rich hero · mystery · dark · standalone-first · cliffhanger · erotica · alpha male · virgin heroine · fantasy · standalone

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Tritan Evolution

by Myra Danvers

3.79 · 42 ratings

first-person-pov · cliffhanger · from hate to love · science fiction · strong heroine · commander · paranormal · erotica · mystery · fantasy · dark · legends & fairy tales · magic · dystopian · high fantasy · young adult · alpha male · length-short · dangerous heroine · death

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Wyldthorn Academy

by L.K. Shear

3.45 · 53 ratings

magic · m-m-f · demons · fantasy · fated-mates · poly · audiobook · paranormal · fae · queer · shapeshifters · new adult · m-m · bisexual · m-m-m · bdsm · bondage · dark · reverse harem · urban fantasy

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Divinity Warriors

by Michelle M. Pillow

3.74 · 52 ratings

contemporary · futuristic · aliens · science fiction · time travel · non-human-hero · m-f · audiobook · length-short · military · historical · erotica · witches · magic · urban fantasy · standalone-first · male-pov · anal sex · tortured heroine · medieval

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Prison World

by Julie K. Cohen

4.02 · 46 ratings

audiobook · poly · fantasy · reverse harem · alpha male · strong heroine · science fiction · suspense · menage · rape · tortured hero · historical · length-medium · humor · anal sex · futuristic · erotica · m-f · from hate to love · friends to lovers

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The Beast Masters

by Mandy M. Roth

3.65 · 23 ratings

werewolves · erotica · shapeshifters · menage · paranormal · fantasy · length-novella · audiobook · men in uniform · futuristic · standalone-first · military · first-in-series · bdsm · science fiction · aliens · demons · m-f-m · poly · witches

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