Pushupushu and Nyu are excited about going on vacation for the first time in a long time. When they arrive at the airport of Acorn Island, a new friend who looks just like Nyu livens up the mood with upbeat welcome music. Her name is Party! Pushupushu is engrossed in the rhythm, but in the process, one of his cheeks flies away somewhere. Will Pushupushu be able to get his cheek back at the end of this great adventure?! Find the cheeks! Let's dance!