Lock On!. In Fubayashi, who was hit by a shortage of members again. Daigo called out to Chiyo, Chisato's older sister, who has experience in baseball, but she was easily refused. With the addition of the recommended admission group Short Chiba, we could barely secure the ninth member, but Anita and Chisato did not give up joining Chiyo. One day, Anita sends a meaningful letter to Nishina's shoe box. While expecting (?) Nishina headed to the courtyard after school ...