Won Yuha, a trainee who became a "failed idol" after the opportunity to appear on a survival program destined for massive success was unfairly stolen from him. After six years of struggling to lead his unmotivated group, his career is declared irrecoverable due to a series of scandals involving the other members and a sudden traffic accident. 'If I were born again, I would never become an idol.' Just as he decides to give up on life, vowing never to dream of such a miserable existence again... “You're going to let me have your spot on <Design Your Idol>, right?” ...He has returned to six years ago, to the moment he lost the opportunity of a lifetime. 『Tutorial: The Turning Point of Your Life! Spin the roulette wheel to decide your future!』 On top of that, what the heck is this thing that just appeared before his eyes?