Chill little bonus episode. Nothing special. The mask one was the most disappointing because I genuinely wanted to know more about the masks but the answer was just "it's esoteric like everything else in this series" and like, yeah I already guessed that. At least we got the gyoza recipe that makes

Fun bonus episode with 6 cute, cozy short stories, about the show's characters, in a more minimalistic animation style Gyoza one was my favorite

Very funny and wholesome extra bits of lore, not the most informative but very much appreciated. Makes me love these characters and world even more. Also cool to see it in a more minimalistic animation style. Nikaido is awesome and the Gyoza Fairy was pretty cute