Aoba starts high school at Seishu Gakuen. Her cousin, Mizuki Asami, starts there too, where he becomes the center of the all the girls' attention. But what really bugs Ko and Azuma is that Mizuki is moving in with the Tsukishimas...

There is a rumor going around that Aoba and Mizuki are dating. But Mizuki is jealous of Ko's relationship with Aoba. Meanwhile, Seishu's baseball team raises the intensity with their new members.

Midori asks Aoba to play on an all girls' school baseball team in an upcoming game. But Aoba feels like she should stay true to Seishu Gakuen's team and decline.

Aoba plays on Midori's team against a college powerhouse, but she is put in center field. The college team is strong on offense, and it looks like it could be a blowout. But then, Aoba takes the mound..