Opal, the popular contestant of the boy group's reality show "The Trainees", is actually a girl?
——If you want to know the truth, become him.
On the surface, Ye Liuli is an ordinary squatter, but has a mysterious identity as a "night watcher". Because of this sentence, she disguises herself as a man and takes the place of her brother to participate in the selection program of the idol boy group dominated by monsters.
But she never expected that her identity would be discovered by the producer representative on the first day...
Concept: No one is born to shine. The light in me is your gaze that stays on me.