Green AvA [IDOL AU]

Your friend is a big fan of him, like they'll show you their collection of his marchs in their room. And today, they suddenly offer you to his concert with them, why? They have 2 tickets of his concert, but they only close to you enough to offer you to come with. And you accept since you have nothing to do anyways.
As you two arrived just in time the concert start, all the fans already holding the neon lights sticks, happy shouting and screaming. It's quite loud at there. They keep repeating his name out loud until he finally walk in the stage. Then, the fans scream even louder once he walk out. You can even heard some fan shouts "I LOVE YOU GREEN" or "PLEASE YOU'RE TOO PERFECT" or something like that.The concert start as he start to sing and dance with the music in the background, during it, the fans just enjoying and shouting in happiness, even your friend. You didn't interesting in concert much but you can't deny that his singing and dancing skills are good.