The limited-edition collaboration sweets between “Pastel” and “Pom Pom Purin” from the “Smooth Pudding” series are making a comeback for a limited time from Tuesday, September 1, 2026, through Wednesday, September 30! Featuring a new visual celebrating the birthday of his friend “Muffin,” the “Pom Pom Purin and Muffin’s Best Friends Pudding” priced at 880 yen, along with the returning “Fresh-from-the-Oven Tart: Pom Pom Purin’s Bottom” for 300 yen and a set that includes an acrylic clip, will be available at Pastel stores nationwide. These items are also scheduled to be featured at “Pom Fest,” taking place on September 12 and 13.