To Win the Championship in Tennis, Doesn't It Just Require Having the Hands?

In a parallel world, tennis is king. The Echizen family dominates the tennis world, including Echizen Nanjiro, the world men's tennis champion, and two tennis princes, Echizen Ryuya and Echizen Ryoma. Wu Bufan relied on the system to join in and fight against the Echizen family on his own. Leave your own chapter in the history of world tennis! A series of animation skills such as external spin serve, selfless state, hard work, etc. Appear in real tennis life, what kind of sparks will they collide with! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.