Based on a manga series of the same name, an average high school baseball team is weakened when Hiroki, one of the star players in the team, receives a failing grade in school and cannot participate in any of the club’s activities till he passes again.

Tim baseball di Kenritsu Jingen High School adalah tim biasa. Semester baru dimulai. Hiroki Ohori (Kenta Suga), Kohei Akimoto (Yuta Koseki) dan Natsuki Miyata (Ryosuke Yamamoto) adalah anggota tim bisbol. Suatu hari, Hiroki gagal tes dan menerima nilai gagal. Hiroki akan mencoba untuk mengikuti tes ulang dan jika dia tidak lulus, dia tidak akan bisa ikut pelatihan.