The Olympus Café had been such a crazy phenomenon around the world, attracting every single customer from around the world to their unique styled café and they had opened two new branches, the Athena Café and the Poseidon Café right here, in the city of South Korea!

These girls are just wanting to enjoy their prom nights, together. And it seems to be going pretty smoothly too.. Until one of them went missing. And all of them ended up in a game of cat and mouse..

What are you guys going to do if you wake up one day and found yourselves in a school full of the idols that you have always adored after all these years? I bet mostly will scream their heart out and feel crazy all of the sudden and gone nuts jumping up and down and whatever.. Well.. That is what happened to the new girl group, Black Star when they first heard about it too..