Harder

by Audrey Grace

3.33 · 3 ratings

aliens · queer · futuristic · m-m · anal sex · science fiction · length-novella · erotica · height-difference

Harder: Similar series

Monstrous

by Lily Mayne

4.34 · 1973 ratings

explicit-plentiful · anal sex · monsters · queer · dystopian · m-m · sweet-hero · usa · first-person-pov · fantasy · age difference · paranormal · childfree-couple · sunny hero · futuristic · non-human-hero · creative-anatomy · found-family · possessive hero · friends to lovers

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Calluvia's Royalty

by Alessandra Hazard

4.12 · 309 ratings

m-m · royalty · science fiction · aliens · futuristic · queer · anal sex · third-person-pov · explicit-open-door · erotica · age difference · secret-relationship · height-difference · virgin hero · angst · length-medium · cold hero · from hate to love · dual-pov · forbidden love

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THIRDS

by Charlie Cochet

4.25 · 608 ratings

urban fantasy · men in uniform · erotica · mystery · science fiction · fantasy · futuristic · suspense · paranormal · m-m · shapeshifters · queer · military · alpha male · humor · contemporary · north-america · third-person-pov · usa · new-york-state

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Pykh

by Eileen Glass

3.98 · 159 ratings

height-difference · futuristic · science fiction · aliens · age difference · found-family · alpha male · multicultural · creative-anatomy · tortured hero · military · queer · caretaking · cold hero · first-person-pov · fighters · dual-pov · anal sex · past-abuse · sunny hero

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Awakened Womb

by Hawke Oakley

3.89 · 78 ratings

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

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Zandian Masters

by Renee Rose

3.86 · 209 ratings

bdsm · futuristic · science fiction · m-f · spanking · aliens · non-human-hero · height-difference · explicit-plentiful · past-abuse · multicultural · forced proximity · alpha male · bondage · male-pov · insta-love · dual-pov · possessive hero · poor heroine · tortured heroine

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The Alien's Omega

by Sienna Sway

3.79 · 110 ratings

m-m · omegaverse · queer · aliens · science fiction · creative-anatomy · virgin hero · non-human-hero · height-difference · sweet-hero · hurt-comfort · dual-pov · anal sex · first-person-pov · futuristic · fated-mates · explicit-open-door · friends to lovers · multicultural · forced proximity

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Star Marked Warriors

by Sam Burns

3.90 · 58 ratings

abduction · possessive hero · magic · insta-love · dual-pov · anal sex · found-family · science fiction · explicit-open-door · aliens · queer · futuristic · length-short · first-person-pov · non-human-hero · height-difference · creative-anatomy · forced proximity · male-pov · multicultural

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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

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Galactic Gems

by Clio Evans

3.78 · 48 ratings

anal sex · dual-pov · breeding · bdsm · fated-mates · futuristic · science fiction · aliens · creative-anatomy · insta-love · queer · first-person-pov · cheerful heroine · bondage · height-difference · non-human-hero · explicit-plentiful · erotica · length-short · fantasy

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Furry Alien Mates

by Delaney Rain

4.05 · 88 ratings

insta-love · dual-pov · anal sex · science fiction · aliens · queer · caretaking · fated-mates · fantasy · first-person-pov · new adult · contemporary · non-human-hero · height-difference · creative-anatomy · multicultural · sweet-hero · m-m · possessive hero · explicit-plentiful

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Planetary Submissives

by Amber Kell

3.62 · 58 ratings

m-m · erotica · length-novella · magic · aliens · futuristic · queer · bdsm · anal sex · contemporary · slavery · fantasy · paranormal · science fiction · height-difference · alpha male · royalty · angst · spanking · military

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The Harvest

by M.A. Church

3.77 · 56 ratings

m-m · aliens · science fiction · queer · sweet-hero · non-human-hero · height-difference · futuristic · explicit-plentiful · multicultural · omegaverse · contemporary · bondage · royalty · creative-anatomy · humor · angst · length-medium · bdsm · first-person-pov

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Metahuman Files: Classified

by Hailey Turner

4.19 · 37 ratings

suspense · superheroes · dystopian · paranormal · third-person-pov · fetish · male-pov · m-m · length-novella · men in uniform · dual-pov · anal sex · science fiction · explicit-open-door · futuristic · military · queer · tortured hero · height-difference · north-america

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Katzman

by Stormy Glenn

3.67 · 59 ratings

queer · m-m · erotica · contemporary · futuristic · aliens · length-novella · length-short · fantasy · science fiction · paranormal · slavery · shapeshifters · royalty · pregnancy · menage

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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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Steel & Thunder

by Dominic N. Ashen

3.94 · 47 ratings

m-m · erotica · bdsm · queer · humor · magic · high fantasy · height-difference · length-medium · monsters · orcs · explicit-plentiful · paranormal · fantasy · first-person-pov · aliens · science fiction · praise-kink · multicultural · alpha male

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Creations

by Marie Harte

3.71 · 28 ratings

futuristic · bdsm · science fiction · aliens · erotica · length-novella · queer · m-m · menage · m-f · queer-awakening · length-medium · m-f-m · poly

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Alien Clutch

by D. Dove

4.05 · 21 ratings

non-trad-hea · futuristic · rape · bondage · creative-anatomy · somnophilia · rape-mc · m-m-m · third-person-pov · praise-kink · m-m · abduction · explicit-plentiful · male-pov · dark · poly · erotica · breeding · anal sex · aliens

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Sold!

by Anitra Lynn McLeod

3.64 · 44 ratings

length-novella · contemporary · anal sex · queer · m-m · erotica · aliens · futuristic · paranormal · abduction · fantasy · slavery · science fiction · explicit-plentiful · abuse · insta-love

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Alien Slave Masters

by Samantha Cayto

4.00 · 29 ratings

science fiction · m-m · queer · aliens · futuristic · erotica · bdsm · length-novella · suspense · dark · m-m-m · abuse · queer-awakening · from hate to love · length-short · rape · slavery · height-difference · m-f · poly

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Felidae

by Jade Buchanan

3.61 · 18 ratings

length-novella · erotica · science fiction · aliens · futuristic · queer · m-m · menage · m-f · contemporary · poly · bisexual · paranormal · m-m-f · fantasy · shapeshifters

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Harder

by Audrey Grace

3.33 · 3 ratings

aliens · queer · futuristic · m-m · anal sex · science fiction · length-novella · erotica · height-difference

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Priceless Gemstones

by John Kostly

5.00 · 4 ratings

bdsm · bondage · height-difference · f-f-f · class difference · praise-kink · poly · slavery · age difference · bisexual · science fiction · spanking · age play · m-f-f · queer · politician · harems · dystopian · fetish · explicit-plentiful

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