Mai Otonashi is a second-year student and the captain of the Ikkokukan High School Bowling Club, and recently, she's struggled to win. Whenever she scores a Turkey, three consecutive strikes, she follows it up with an unbeatable split—the Snake Eyes. This is the story of Mai, Rina, Sayuri, Nozomi, and Nanase as they fight, fall, and rise again in pursuit of victory in the final days of summer.