Ideally, you want to eat Strawberry Mochi as soon as possible. That's because the mochi will get hard when refrigerated, but the strawberry inside will spoil if it's left at room temperature for too long. If you don't plan on eating it immediately, I recommend wrapping each Strawberry Daifuku in plastic wrap and storing them in an airtight container kept in a cool place. This will keep the mochi from sticking together and prevent it from drying out.