This article explores why the age of twenty is so important in Japanese culture, and how it is celebrated with both cultural and legal implications. It looks at the traditional Coming of Age Ceremony, its significance in Japanese culture, as well as the various education, social, financial and legal implications that come with turning twenty. It also covers cultural rituals to celebrate this milestone such as special meals, wearing kimono, visiting shrines for blessings from gods, giving gifts etc. Turning twenty marks an important step into adulthood and should be celebrated accordingly.