Ro-Kyu-Bu! Vol. 15 (Light Novel)

In Vol. 15, elementary school comes to an end for Tomoka and the girls, and an encounter leads them to join a joint training camp with a team competing in a national tournament. Subaru and the girls travel to Shikoku to practice, and soon it’s time for the practice match. Their opponents are quite skilled, and when the girls ask for a rematch they agree on the condition that Subaru must do whatever they say if they win! What will Subaru get roped into this time?
Notice: This book is written in Japanese.