I Became the Prince of Tennis and Penetrated the World of Naruto

[Naruto] [Prince of Tennis] [Genius Style] [No System] Jiraiya: "The power of this ball is even beyond the reach of the Rasengan! Is this the direction of the development of the Rasengan?" Metkai: "I didn't expect to have such a special physical skill! It seems that our youth is far from reaching its climax!" Uchiha Itachi: "Even Tsukuyomi can see through it! Echizen Ryoma's strength is truly terrifying!" Echizen Ryoma, who received the admiration of countless powerful ninjas: "You are still far away."