There are 3 books in the Monster Girlfriend series. The newest book is How to Get the Girl (and Not Destroy the World) which came out in 2024.

Life is tough when you're an eldritch abomination.


Trillin isn't technically a person. She's a tiny breakaway piece of consciousness from the all-devouring Endless, doomed to eventually rejoin it. But when a human witch stumbles into her world, Trillin suddenly has a new reason to figure out individuality-one shape-shifting tentacle…

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2
How to Get a Date with the Evil Queen

Book cover of How to Get a Date with the Evil Queen

Sian's world thinks she's dead. Trillin's dimension wants to make sure of it. And the place they escaped to together just threw a dragon at them.

All Sian wanted was a quiet moment to make out with her new girlfriend. Instead, she and the adorably monstrous Trillin find themselves trapped…

3
How to Get the Girl (and Not Destroy the World)

Book cover of How to Get the Girl (and Not Destroy the World)

They say you can never go home. They don't tell you that it's because the people you left behind split time itself into a million glittering shards, trying to figure out where you went.

In the final book of the Monster Girlfriend trilogy, Sian and Trillin return to where it…