Black Jewel Castle Desu!.Chiari and the others failed to turn the quartet back to normal due to the powerful influence of the Red Moon. The next day, Rossa is busy changing the lightbulbs inside the Jewelpet cafe until she got a visit from the EK Mens, somewhat trying to treat her with royalty. However, things are going worse as the EK Mens makes another move and a powerful wave of Unhappiness Energy is been collected. Chiari has no options left to snap Kosuke and the others back to normal, and may think she won't have any hope on saving everyone.