Second Time's A Curse by Laura Greenwood

Discovering she's under a curse is only the start of Mona's problems.
I never wanted a cat, but the ever-kittens don't seem to care, and now I have more than ever.
The last thing I expected when I came to Grimalkin was to learn I'd been cursed. And yet, now I am. I have no choice but to find a way to break it. But first, I need to work out who cast it in the first place.
At least I have some warlocks by my side to lend a helping hand.

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Second Time's A Curse is book two of Grimalkin Academy, an urban fantasy academy series featuring two best friends, lots of kittens, and a low-heat poly romantic subplot.
If you enjoy paranormal academy, cute familiars, light-hearted romance, witches, and friendship, you should start the Grimalkin Academy series today.