Yume Nijino is in a pinch!?
A luxury school idol cruise liner called Venus Ark has suddenly appeared!
And the perfect idol who leads this ship is "Elza Forte"!!
While traveling around the world, she gathered the most excellent idols and brands she could find.
And now she has set her eyes on her next target, Yume Nijino of Four Star Academy.

(Source: Aikatsu Stars! Wiki)