After a drunken stupor, Jack Thompson unexpectedly found himself back in 1999. Looking at those familiar yet somewhat strange faces around him, the excitement in Jack's heart surged like a tide. Time had turned back, which meant that his youth had come again! Jack secretly vowed that he would never again be the timid and cowardly junior bank clerk as he used to be. He was determined to make great plans and embark on a legendary chapter of his own.