Winter is coming in Jewel Land and everyone is busy cleaning up the fallen leaves all around Jewel Town. KiraDeco 5 gets rather puzzled on the sudden change of events until their Jewel Pods starts to blink, finding out that Jewel Land is in the blink of destruction, when they shifted their focus on the strange Jewelpet named Milky. In the midst of excitement, Coal appears and is ready to claim the Deco Stone hidden on Milky's cart. To make their problems worse, the prediction that Tonzuradamus made that could destroy Jewel Land for good.