One bloody night in Chicago, Sofia Sun’s world shatters when she witnesses a scarred guardian murder a man stalking her friends, the twins' Grey and Gemma.
Five months later, Sofia uncovers the truth even the twins don’t know: their backyard superhero games were no games. Grey and Gemma are the Gemini, twin vessels for a Zodiac power so dangerous, a ruthless order will spill blood to silence it before it awakens.
Only one man stands in the way: a fiery scarred guardian who kills with one hand and cradles secrets with the other. When Sofia confronts him, she’s faced with an impossible choice: run to safety or stay and share the twins deadly fate. To protect them, she must embrace her role as their guardian, safeguarding not just their lives, but the innocent joy that makes those lives worth saving.
Galaxy Girl is a companion to The Gemini, revealing Sofia Sun’s untold story. A tale of friendship’s beautiful promise, the terrible cost of love, and the girl who chose to stand in the fire.