Japan celebrates Christmas in a very unique way. It's not a traditional holiday in the Japanese culture, but it has gained popularity over the years. People in Japan often spend the day decorating their homes with Christmas trees and other festive decorations. Many families have a special Christmas dinner, usually featuring traditional Japanese dishes like sushi, tempura, and ramen. People also give gifts to each other, usually wrapped in colorful paper and decorated with ribbons and bows. The most popular gift to give is chocolate, and many people exchange gifts with their loved ones on Christmas Eve.