What if you could undo your dark past? Chaebom Yu, a burned-out office worker, wakes up as her 17-year-old self, given a second chance to rewrite her life. She enters high school determined to avoid the mistakes that once haunted her. But the more she tries to fix things, the weirder her life becomes. Money starts slipping away, and strange boys keep showing up… Her “do-over” begins to feel just as messy as before! Can Chaebom truly escape her past, or is she just trading one chaotic life for another?