Zhu Yeqing: "Echizen, that game... We haven't finished playing it yet."
Zhu Yeying: "Yes, Father. I will definitely beat him."
Echizen Ryoma: "What a persistent guy."
Ryuzaki Sakuno: "Actually, I think Ying and Ryoma-kun are really alike!"
Chen Fenglingdang: "I told you, if you beat me, you'll earn the right to be my friend."
Echizen Nanjirō: "You really are stronger than Ryoma... At least, there are no more than five people in the world who can hit an ace in front of me..."
Tezuka Kunimitsu: "What this girl cannot let go of is her own emotional knot."
Ryuzaki Sumire: "Qing Yilang, one day they'll understand how much thought you've put into this."
Zhuye Qingyilang: "One day, even when we're all old, tennis will still be young."
Ten years ago, the tennis player Zhuye Qingyilang, once on a par with Echizen Nanjirō, passed away in Paris. At his behest, his son and daughter traveled to Japan to learn from Ryuzaki Sumire and stay with the Echizen family...
Theme: Forever young