日本のクリスマスケーキ ( にほん の くりすます けーき / Japanese Christmas Cakes ) are hugely popular in Japan this time of year.
A Japanese Christmas Cake
They are typically a light sponge cake with strawberries and whipped cream, decorated beautifully as is typical with all Japanese food.
A slice of Christmas Cake
In recent years, there are many other variations as well, such as チョコレートケーキ ( ちょこれーと けーき / Chocolate Cake) versions:
A Chocolate Christmas Cake
If you're curious about making a 日本のクリスマスケーキ, there is a video recipe
here that details all the steps needed to make a beautiful cake.
Images sourced from various places among the interwebs.