Hello Kitty no Happy! Kasou Taikai

Synopsis

Halloween is around the corner. The local apple farmer was asked to host the costume contest. He and his son end up getting into a fight and the boy decides to leave home. But before he does, he sees his dad failing at being a host. He borrows his friend's costume and jumps in to rescue the show. But even after, both still are angry at each other. Kitty and Mimmy try to reconcile their differences in order to keep the farmer family together.