Standing on the Ground
Takumi goes home and finds out that Tomura is his grandfather Youzo's former student. Takumi doesn't like that the upperclassmen have ended practice early because it started raining, This leads them to begin harrassing Takumi. Meanwhile, Tomura goes to visit Youzo after experiencing Takumi's pitches for himself from the batter's box.
Aired 05/08/2016EP 4 - Standing on the Ground
BATTERY the animation
Asano's novels revolve around Takumi Harada, a young man who moves to a mountain town in Okayama prefecture during the spring break before he enters middle school due to his father's job transfer. Takumi is a pitcher, and after the moves he loses faith in his own talent, when suddenly his classmate Gou Nagakura appears in front of him. Gou has a strong desire to form a "battery" (a combination of a pitcher and catcher) with Takumi.
(Source: Anime News Network)