Prologue: The Promise Seven years earlier "V and R," Rain carved into the treehouse beam. "Forever." "That's what people write when they're dating," I said, wrinkling my nose. "Fine. V and R." She flopped beside me. "My dad says we're moving to Seoul next month." The words hollowed my chest. "Five years," Rain promised. "Then you come to Seoul. We'll go to university together." "I don't know if I can afford—" "We'll figure it out." She held out her pinky. "Promise me, Violet." I hooked mine around hers, memorizing her freckles, her chipped tooth, everything. "Together," we whispered. Neither of us knew if twelve-year-olds in treehouses could predict the future.