メジャーリーガーのfather (Goro) を志つ, protagonist Shigeno Daigo and relatives and friends のSato Hikaru, Sakura Mutsuko たちの友情をdrawing いたPrevious work (1st シリーズ) から2 years -. Daigo Mutsuko, a sixth-year elementary school student, and Haru Ying, a second-year junior high school student. My sister, I'm a big girl in the private field club in the wind forest. Takashi, the senior Nana, and Nana, a girl with a unique personality.そこにクセの强い新生たちもやってきて…. The Yamaguya Valley Junior High School Fieldball Club is open! ?