Rewind: Calling My Past Self from Ten Years Ago

What if you could change everything with just one phone call? When Kim Jun-ho discovers a mysterious device that connects him to his past self a decade ago, his mundane existence transforms overnight. Stock market crashes he can now avoid, career pitfalls he can sidestep, relationships he can salvage before they crumble. Armed with future knowledge and the ability to rewrite his own history, Jun-ho turns life's uncertainties into calculated victories. Every call is a chance to course-correct, every conversation a step toward the perfect timeline.