The Other Side of Silence. Jaina's Stroy

Jaina has already lost the body she was born in. She has already lost the first person who made the rewritten life feel like it might still belong to her. When the machine she helped rebuild is finally ready, she believes she is ready too-ready to finish school, ready to stand beside her best friend as maid of honor, ready to hold the careful future she has been building with the man who knows the truth about her.
But the closer the research comes to completion, the further he seems to drift. And when the first volunteers step into the chamber, the world shifts in ways no one predicted. Devastated, Jaina walks away from the research, the city, and every version of the life that asked too much of her. She starts over in a place that has never heard certain names. Years later she is a quiet researcher living on grants, shut away from a world that no longer shares her memories.
Until one ordinary afternoon in a grocery store, she turns a corner and sees the impossible. What returns to her that day will force her to confront everything the machine took-and everything it may have quietly given back. The Other Side of Silence is the final book in the series-a story of irreversible change, the cost of wanting to go back, and the quiet, hard-won possibility of finding your way home.