Everyone's Job Transfer: I Woke up at the Beginning and Sang and Danced RAP

A world where everyone changes jobs. Everyone is either a warrior or a mage. Only Zhou Kun inexplicably changed jobs and became an idol trainee? This is a world where monsters are rampant and dangers and opportunities coexist! What's the use of rapping if you can sing and dance? What? Is this actually an SSS-level hidden profession? Can you charm everyone with just a dance? Are there any little fans rushing to give away treasures of heaven and earth? Can you still gain attributes by just singing a song? A piece of rap can actually sing the monster to death? Awesome, my Kun! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.