Ultimate Passage: Similar romance series

Sirantha Jax

by Ann Aguirre

3.90 · 248 ratings

length-medium · futuristic · cold hero · aliens · strong heroine · audiobook · m-f · urban fantasy · science fiction · fantasy · commander · contemporary · paranormal · open-door · military · behind-doors · fighters · standalone-first · death · first-person-pov

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Awakened Womb

by Hawke Oakley

3.76 · 110 ratings

height-difference · m-m · creative-anatomy · science fiction · queer · dual-pov · found-family · sweet-hero · multicultural · audiobook · breeding · fated-mates · futuristic · aliens · anal sex · pregnancy · length-short · non-human-hero · explicit-open-door · first-person-pov

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Earth Fathers

by Lyn Gala

4.13 · 101 ratings

aliens · m-m · science fiction · queer · creative-anatomy · nerdy-hero · non-human-hero · military · futuristic · length-short · third-person-pov · audiobook · multicultural · boss & employee · standalone · explicit-open-door · friends to lovers · fighters · graphic-violence · standalone-first

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Planet of Kings

by Lee Savino

3.72 · 162 ratings

dual-pov · abduction · non-human-hero · omegaverse · audiobook · m-f · royalty · science fiction · height-difference · aliens · fated-mates · bdsm · possessive hero · alpha male · spanking · strong heroine · creative-anatomy · first-person-pov · breeding · contemporary

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Interstellar Brides Program: Rogues

by Grace Goodwin

4.25 · 63 ratings

fighters · non-human-hero · military · first-person-pov · dual-pov · vampires · male-pov · futuristic · fated-mates · aliens · audiobook · m-f · alpha male · shapeshifters · height-difference · science fiction · explicit-open-door · graphic-violence · possessive hero · war

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Roswell High

by Melinda Metz

3.59 · 177 ratings

length-short · audiobook · contemporary · young adult · science fiction · fantasy · aliens · futuristic · magic · paranormal · bad boys · standalone-first · urban fantasy · first-in-series · bikers

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First Ordinance

by Connie Suttle

4.13 · 88 ratings

shapeshifters · audiobook · menage · length-medium · immortal-hero · poly · early-20s-mmc · aliens · reverse harem · magic · demons · vampires · 100-plus-years-mmc · time travel · immortal-heroine · in-his-30s · abuse · futuristic · strong heroine · mental-trauma

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Tribute Brides of the Drexian Warriors

by Tana Stone

4.15 · 159 ratings

aliens · science fiction · audiobook · military · futuristic · length-short · non-human-hero · m-f · length-medium · multicultural · abduction · first-in-series · south asian · standalone-first · insta-love · arranged marriage · explicit-open-door · shy heroine · pirates · fantasy

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Hell Squad

by Anna Hackett

4.18 · 300 ratings

military · aliens · science fiction · audiobook · m-f · dystopian · futuristic · length-short · independent heroine · length-novella · alpha male · explicit-open-door · cold heroine · war · cold hero · commander · erotica · height-difference · warrior-heroine · fighters

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Xian Warriors

by Regine Abel

4.23 · 142 ratings

science fiction · audiobook · m-f · military · non-human-hero · humor · aliens · futuristic · creative-anatomy · multicultural · competent heroine · explicit-open-door · suspense · fated-mates · virgin hero · strong heroine · gifted heroine · war · length-short · length-medium

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Ice World Warriors

by Jessica Grayson

3.91 · 67 ratings

science fiction · abduction · aliens · length-short · fated-mates · possessive hero · tortured heroine · first-person-pov · mental-trauma · abuse-non-mc · non-human-hero · dual-pov · futuristic · abuse · shapeshifters · m-f · paranormal · pregnancy · explicit-open-door · fantasy

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Fire Planet Warriors

by Calista Skye

3.86 · 31 ratings

aliens · science fiction · length-short · futuristic · multicultural · humor · military · abduction · new adult · first-in-series · erotica · alpha male · standalone-first · m-f · curvy heroine

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TerraMates

by Lisa Lace

3.97 · 121 ratings

military · futuristic · multicultural · science fiction · audiobook · length-short · suspense · aliens · length-medium · m-f · arranged marriage · pirates · insta-love · non-human-hero · curvy heroine · tortured heroine · first-in-series · bdsm · fighters · standalone-first

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Love and War

by R.A. Steffan

3.81 · 32 ratings

mental-trauma · creative-anatomy · racism · third-person-pov · dual-pov · futuristic · aliens · science fiction · audiobook · m-f · non-human-hero · angst · strong heroine · length-short · death · suspense · cold hero · fighters · open-door · past-abuse

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Genetically Modified

by Holly S. Roberts

4.07 · 30 ratings

shapeshifters · audiobook · dystopian · aliens · fantasy · paranormal · length-short · m-f · military · science fiction · futuristic · new adult · found-family · urban fantasy · first-in-series · standalone-first · demons · suspense · length-medium · strong heroine

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Conquered World

by Elin Wyn

4.08 · 100 ratings

aliens · science fiction · m-f · audiobook · length-short · non-human-hero · multicultural · fantasy · paranormal · open-door · military · career professional · futuristic · alpha male · cold hero · fighters · competent heroine · strong heroine · graphic-violence · height-difference

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Windwalkers

by Lisa Renee Jones

4.32 · 22 ratings

paranormal · suspense · fantasy · science fiction · m-f · aliens · futuristic · dystopian · secret-relationship · tortured hero · length-novella · dual-pov · survival · men in uniform · strong heroine · grumpy sunshine · cheerful heroine · possessive hero · military · career professional

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New Carnegie Androids

by Roxie McClaine

4.00 · 35 ratings

fantasy · futuristic · audiobook · science fiction · military · paranormal · superheroes · length-short · demons · multicultural · vampires · length-medium · steampunk · m-f · virgin hero · from hate to love · past-abuse · standalone-first · first-person-pov · historical

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