is a Japanese shōnen

manga Manga (Japanese: 漫画 ) are comics or graphic novels originating from Japan. Most manga conform to a style developed in Japan in the late 19th century, and the form has a long prehistory in earlier Japanese art. The term ''manga'' is u ...

series written and illustrated by Shinji Tonaka. It has been serialized in ''

Monthly Shōnen Rival was a Japanese monthly '' shōnen'' manga magazine by Kodansha that ran from April 4, 2008 to June 4, 2014. It was issued on the 4th of every month. As with Shueisha's '' Jump SQ.'' and Shogakukan's ''Monthly Shōnen Sunday'', it is aimed at la ...

'' since May 2008.

Tankōbon is the Japanese Japanese may refer to: * Something from or related to Japan, an island country in East Asia * Japanese language, spoken mainly in Japan * Japanese people, the ethnic group that identifies with Japan through ancestry or cultur ...

volumes containing four chapters are published by

Kodansha is a Japanese privately-held publishing company headquartered in Bunkyō, Tokyo. Kodansha is the largest Japanese publishing company, and it produces the manga magazines ''Nakayoshi'', ''Afternoon'', ''Evening'', ''Weekly Shōnen Magazine'' an ...

. The first

tankōbon is the Japanese Japanese may refer to: * Something from or related to Japan, an island country in East Asia * Japanese language, spoken mainly in Japan * Japanese people, the ethnic group that identifies with Japan through ancestry or cultur ...

of the series was released in August 2008 and the latest in December 2012.

References

{{reflist * * * * Baseball in anime and manga Shōnen manga