Twin brothers, Tatsuya and Kazuya, grew up with their next door neighbor Minami like siblings. Minami's dream is that her school's baseball team will participate in the national Koshien High School Baseball Tournament. The twin brothers make a pact that they will take Minami to the tournament.

• Masami Nagasawa
• Shota Saito
• Keita Saito
• Nozomi Ando
• Jun Fubuki
• Seiji Fukushi
• Hirotaro Honda
• Fumiyo Kohinata