Otouto Catcher Ore Pitcher De!

(弟キャッチャー俺ピッチャーで！, Otouto Kyaccha Ore Piccha De!)

is a Japanese shōnen manga series written and illustrated by Shinji Tonaka.

Tankōbon volumes containing four chapters are published by Kodansha.

The first tankōbon of the series was released in August 2008[1] and the latest in December 2012.