On Ha-jae, a once-in-a-thousand-year handsome trainee. After rebuffing a sponsor's proposal and kissing his debut goodbye, he vowed to not step foot into the entertainment industry again. That is, until he transmigrated into some idol raising game. Find your hidden talent and grow into an idol, Play hard to get with the System that doesn't listen well/be disobedient, Figure out the past of the transmigrated character/character you've transmigrated to. Without money, a home, or any knowledge, I went through all sorts of hardships, but… "I'm in trouble. This is fun." Whatever works, however works, as I please. First, go onwards, make a challenge, and take it head on! The genius idol On Ra-on's manual to taking on showbiz and the industry.