Monthly Shōnen Rival

Monthly Shōnen Rival (月刊少年ライバル) is a Japanese monthly shōnen manga magazine by Kodansha that had its first issue on April 4, 2008. It is issued on the 4th of every month.

As with Shueisha's Jump SQ. and Shogakukan's Monthly Shōnen Sunday, it is aimed at late teens and people in early twenties.