Six years prior, a group of companions made a vow to bring their friend Suzuo to the Koshien following a devastating loss. Presently, during their initial year of high school, the friends have reunited and rallied around pitcher Kitaro Kitaoji to uphold their commitment. With Suzuo serving as their manager and Kitaro's unique left-handed, underhand "Submarine Pitch," their chances of emerging victorious appear promising. They might just have what it takes to triumph.