"Fix the WiFi," they said. "It'll be easy," they said. Jungwon should've known better. One glitchy connection. One hidden server. One file that was never meant to be found. And suddenly-he's staring at a murder that was supposed to stay buried. Kim Chaewon's case was closed. Forgotten. Filed away as a tragic accident. But the truth? It's alive. Watching. Waiting. And now... it knows him. With strangers closing in and danger crawling through every shadow, Jungwon runs to the last person he ever wanted to see again-his ex. Jay. Infuriating. Reckless. Still heartbreakingly familiar. Also, the one man who might keep him alive. But Jay has rules. No secrets. No lies. No running away this time. Too bad Jungwon's been running his whole life. Now they're forced to work together, chasing a truth that gets darker with every step... and a killer who might be closer than either of them is ready to admit. Because some cases don't stay cold. Some love doesn't stay buried. And some mistakes? They come back to kill you. A romcom-thriller where the tension is deadly, the banter is dangerous, and falling for your ex again might be the riskiest move of all.
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