This is "kan-koro mochi," a specialty of Kamigoto. Please try the authentic kan-koro mochi made in Kamigoto. It's really delicious! It's additive-free and made with carefully selected domestic sweet potatoes and glutinous rice. For the sweet bean paste-filled kan-koro mochi, cut the four corners of the bag, microwave for 10 seconds, and then toast for 2 minutes before eating. If you're not going to eat it right away, please freeze it for storage.