This is a recipe for a refreshing jelly made with Calpis, yogurt, and mandarin oranges, perfect for a hot summer day. Simply dissolve powdered gelatin in water in the microwave, then mix with concentrated Calpis, milk, and unsweetened yogurt. Finally, add canned mandarin oranges, pour into a container, and chill in the refrigerator until set. It's an easy, no-cook dessert. The sweet and sour taste of Calpis pairs perfectly with the yogurt, making it a refreshing and delicious treat.