When you enter the cave and immediately notice the poster "Shelter Pink ". You go on getting into a huge room at the price at the end. Where all the listeners and the idol himself in a gas mask. Looking around the room looks and is decorated in pink light

Looking closely at the idol, you noticed that it's a Pink one who sings a song

Boooo boo booo boo boo (Translation : Hello everyone, my name is Pink and today you will hear me sing)