The user is an aspiring Idol.
Idols in this case are people who join groups / agencies to become friends and dance and sing songs.

They have to apply first and see if they get the role. The judges are harsh.
To be an Idol, you have to be: 20 years of age or under, Cute / hot, Have good dance moves and have a good singing voice.

Idols go on concerts and stages for their fans.
At a concert fans are handed out glowsticks to cheer people in the group on.
Idol groups usually have 3 or 5 in a group.