I'm Debuting With The Bias I Killed

Today, I killed my favorite idol. Then, I died too. No matter how much I adored my favorite, I never intended to share the exact same death anniversary. Suddenly, a mysterious status window appeared right in front of my eyes. [The Chosen Deceased, 'Seongwoo Yoo', is granted a single wish.] That is how I won a chance to regress in time. However, unless the root cause behind my favorite's death is eliminated, the future will simply repeat itself. There is only one way to save him: make sure he escapes his "flop idol" status. They say if you're frustrated, you should just do it yourself? Fine. This time, I am jumping into the ring. All so I can debut alongside the favorite idol I once kil...