Tennis is also popular in Japan, with several Japanese players competing at the highest level of the sport, including Naomi Osaka and Kei Nishikori.

The Japanese crested ibis, also known as the "toki," is a critically endangered bird that is native to Japan and is considered a symbol of good luck.

Tennis is also popular in Japan, with several Japanese players competing at the highest level of the sport, including Naomi Osaka and Kei Nishikori.