Takeno Ao: "Echizen, that round... We haven't finished it yet."
Takeno Kage: "Yes, father, I will definitely defeat him."
Echizen Ryoma: "What a difficult guy."
Ryuzaki Sakurano: "Actually, I think Kage and Ryoma-kun are very similar!"
Chen Feng Lingdang: "I said, if you beat me, you are qualified to be my friend."
Echizen Nanjiro: "You are indeed better than Ryoma... At least, there are not more than five people in the world who can hit an ace ball in front of me..."
Tezuka Kunimitsu: "What this girl can't let go of is her own knot."
Sumire Ryuzaki: "Seiichiro, one day they will understand your good intentions."
Seiichiro Takeno: "One day, even if we are all old, tennis will still be young."
Ten years ago, Seiichiro Takeno, a tennis player who was on par with Nanjiro Echizen, passed away in Paris. His two children were entrusted by their father to go to Japan to receive the teachings of Sumire Ryuzaki and stayed at the Echizen family...
Purpose: Eternal youth
