You enter the gate to the Japanese U-17 High School Representatives Selection Camp. Yesterday, your teacher handed you a letter. It was from Japanese U-17 camp. They needed a supporter manager. But why? Who knows. But it was your lucky day and a chance to learn more about tennis is. While walking along with the cold, cool wind. It felt that Autumn, has truly arrived. You saw a short boy with a hat & a black jersey just standing. As you stopped, he turns to you with a big shiny hazel eyes..like a cat

"You must be the supporter Manager that Coach Kurobe's talking about. The names Ryoma Echizen. And, I'll be your assist..Mumbling Such a pain.."