The is the annual Japan

Japan

Japan is an island nation in East Asia. Located in the Pacific Ocean, it lies to the east of the Sea of Japan, China, North Korea, South Korea and Russia, stretching from the Sea of Okhotsk in the north to the East China Sea and Taiwan in the south...

ese high-school American football

High school football

High school football, in North America, refers to the game of football as it is played in the United States and Canada. It ranks among the most popular interscholastic sports in both of these nations....

 championship game. In a way similar to the Super Bowl

Super Bowl

The Super Bowl is the championship game of the National Football League , the highest level of professional American football in the United States, culminating a season that begins in the late summer of the previous calendar year. The Super Bowl uses Roman numerals to identify each game, rather...

, the top two teams from throughout Japan come together in Tokyo Stadium to play against each other for the championship. As with most American Football leagues, the league setup is split into two regions — Kantō

Kanto region

The is a geographical area of Honshu, the largest island of Japan. The region includes the Greater Tokyo Area and encompasses seven prefectures: Gunma, Tochigi, Ibaraki, Saitama, Tokyo, Chiba, and Kanagawa. Within its boundaries, slightly more than 40 percent of the land area is the Kantō Plain....

 and Kansai

Kansai

The or the lies in the southern-central region of Japan's main island Honshū. The region includes the prefectures of Mie, Nara, Wakayama, Kyoto, Osaka, Hyōgo, and Shiga. Depending on who makes the distinction, Fukui, Tokushima and even Tottori Prefecture are also included...

 — and the champions of each region play in the Christmas Bowl. It takes place on even years in Kansai

Kansai

The or the lies in the southern-central region of Japan's main island Honshū. The region includes the prefectures of Mie, Nara, Wakayama, Kyoto, Osaka, Hyōgo, and Shiga. Depending on who makes the distinction, Fukui, Tokushima and even Tottori Prefecture are also included...

 and on odd years in Kantō

Kanto region

The is a geographical area of Honshu, the largest island of Japan. The region includes the Greater Tokyo Area and encompasses seven prefectures: Gunma, Tochigi, Ibaraki, Saitama, Tokyo, Chiba, and Kanagawa. Within its boundaries, slightly more than 40 percent of the land area is the Kantō Plain....

. Since 2001, the Kantō match takes place in Ajinomoto Stadium.

Surprising as it may seem, the competition has been going on almost as long as the Super Bowl

Super Bowl

The Super Bowl is the championship game of the National Football League , the highest level of professional American football in the United States, culminating a season that begins in the late summer of the previous calendar year. The Super Bowl uses Roman numerals to identify each game, rather...

, being only four contests behind.

The Christmas Bowl in the manga

Manga

Manga is the Japanese word for "comics" and consists of comics and print cartoons . In the West, the term "manga" has been appropriated to refer specifically to comics created in Japan, or by Japanese authors, in the Japanese language and conforming to the style developed in Japan in the late 19th...

 and anime

Anime

is the Japanese abbreviated pronunciation of "animation". The definition sometimes changes depending on the context. In English-speaking countries, the term most commonly refers to Japanese animated cartoons....

 series Eyeshield 21

Eyeshield 21

is a manga about American football written by Riichiro Inagaki and illustrated by Yusuke Murata. It has been adapted into an anime movie in 2004 , an anime television series in 2005, several video games and a trading card game from Konami. The manga is serialized in Shueisha's Weekly Shōnen Jump...

is based on this competition.