Start with the Best Singer

What? I was reborn in a parallel world, what should I do? What, you gave me the system, fine, I'll accept it. Look at how I conquer this entertainment industry and become the number one person in the entertainment industry right now. In addition to the entertainment industry, he is also involved in variety shows, poetry, and novels. It seems that there is nothing he can't do. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.