Maeno announces a training camp for the week before the tournament. On her way home from school, Aoba finds Akane having a spell of weakness in the train station and walks her home. On the team's day off before the training camp, Mizuki complains to Ko about Azuma and Aoba being together so much; Nakanishi's girlfriend competes in a track-and-field tournament but loses in the quarterfinal heats; Junpei introduces Ichiyo to his parents; Akaishi meets former portable teammate Makihara, who tells him to beat Ryuo to save Seishu's face; Azuma gives Senda batting tips at the Tsukishima cages; Tubby scouts a Ryuo practice, where Mishima tells her to not let Seishu loose before they meet; Akaishi and Ko practice pitching at the secret training place they used in junior high school; and Aoba tells Ozaki she has chosen to help take Seishu to Koshien instead of joining the national team. Aoba then pitches for Ozaki, striking her out. The next day, the Seishu training camp begins.
星秀学園野球部は、合宿入りを前にして、1日練習を休みとなった。光たち3年生にとっては最後の大会ということもあり、強い想いを持っていた。そして光と赤石は、二人でピッチング練習をしながら、若葉へ想いを馳せる。そんな中、青葉のもとに、女子野球日本代表セレクションで一緒だった尾崎が訪ねてきて…。
세이슈학원 야구부는 합숙을 앞두고 하루의 휴식을 하기로 한다. 여름 대회를 앞두고 각자 결의를 다지는 부원들. 특히 코우, 아즈마, 아카이시 그리고 센다... 3학년들에게는 마지막 대회이기에 한층 더 강하게 마음을 다진다. 코우와 아카이시는 고등학교 입학 전에 함께 피칭 연습을 하던 곳에 가서 와카바에 대한 추억을 나누게 되는데...
