Description contains spoilers for Star of the Giants

(from ebookjapan):

Five years have passed since Hoshi Hyuma, who destroyed his left arm in exchange for a perfect game, left without telling anyone where he was going. His passion for baseball is rekindled!

It was the summer of the year when the Giants, under Nagashima's leadership, suffered the humiliation of finishing in last place for the first time in the team's history.

In the suburbs of Tokyo, a new player emerged who could bat for 30,000 yen with a 100 percent success rate and became the talk of the town. The man who died as a pitcher, Hyuma, appeared as a batter!