I Woke Up and Three Old Men Called Me Dad

He closed his eyes at eighteen and woke up fifty years later to a world turned upside down. His wife vanished without a trace. Three elderly strangers greet him as 'Father'—but they bear different surnames and impossible memories. Trapped in his youthful body while everyone around him has aged, he must navigate a family that shouldn't exist and uncover the truth behind his lost decades. Time stole everything from him, but left him one mystery: who is he really?