Kagami Biraki is a Japanese New Year custom in which people eat kagami mochi that has been offered to the New Year deity. By consuming the mochi believed to hold divine blessings, people wish for health and good fortune, quietly marking the end of the New Year season. What Is Kagami Biraki? Kagami Biraki is the custom of eating kagami mochi that was displayed during the New Year period. The mochi is first offered to Toshigami, the deity believed to visit households at the start of the year. After the New Year celebrations end, the mochi is taken down ...