Prequel: Big Windup!
Hot off the heels of their first win, the Nishiura Nine are fired up for the rest of the Summer Tournament! Unbeknownst to them, they are being scouted by the coach of Bijyou High.
Alternative Titles: Big Windup! The Summer Tournament, Oofuri, Big Windup! 2, Swing Big! 2, Ookiku Furikabutte 2, Ookiku Furikabutte The Summer Tournament Chapter, おおきく振りかぶって 〜夏の大会編〜, Ookiku Furikabutte: Natsu no Taikai-hen – Mokuhyou