Ace of the Diamond Vol. 5 (Kodansha, 2017)

It's the last game until the final two players will be graduating from junior varsity into varsity. Against Kokushikan!! As Chris appears on the field, Sawamura will continue his evolution as a pitcher and the game continues at Seido's pace!! However, on the bench sits a man who knows Chris: Zaizen. Will his plan force the battery of Chris and Sawamura into a tight spot...?!