Monster Girlfriend Series by Marie Cardno

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 at a time.Sian is sure important magical discoveries are just around the corner, if she can just get her portals to work reliably... moreLife 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 at a time.Sian is sure important magical discoveries are just around the corner, if she can just get her portals to work reliably. Reaching the dimension of the Endless without being eaten on sight is a dream come true, and Sian is determined to explore every bit of it. For science, of course, not for the strangely adorable life-form who keeps popping up and trying to… flirt?But Trillin’s world can be a dangerous place, and keeping Sian safe might risk drawing the attention of the Endless itself–which will swallow Trillin up along with all her dreams of humanity. Together, can this unlikely duo escape the Endless, figure out the optimum number of appendages, and maybe even find love?How to Get a Girlfriend (When You’re a Terrifying Monster) is a sweet, low-heat F/F sapphic romance between a witch scientist and a shape-shifting Cthulhu monster. HEA guaranteed! less

Dimension-hopping lovers Sian and Trillin find themselves trapped in a world where people are split regardless of gender or life goals into Princesses (for being rescued), Prince Charmings (for doing the rescuing), and Evil Queens (for being rescued from). When the world's fairytale magic latches onto Trillin as a likely Evil Queen, Sian has to fight for her own fairytale ending.

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 all began.…kind of... moreThey 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 all began.…kind of.The Monster Girlfriend trilogy is a sapphic monster rom-com between a sweet tentacle monster and a witch who fireballs first and asks questions later, unless she's distracted, in which case—ooh, what's over there? less