Mystery box

Mystery box, mystery box.
What's inside the mystery box?
Where’s Blue.D? Where’s Blue.D?
Where did he go? Where could he be?
Mystery box, mystery box.
What's inside the mystery box?
Where’s Purplpella? Where’s Purplpella?
Where did she go? Where could she be?
Mystery box, mystery box.
What's inside the mystery box?
Where’s Yellownets? Where’s Yellownets?
Where did she go? Where could she be?