I, the Great Devil of Tennis, Create the Strongest Era

Xu Feizhi traveled to the world of Net King, one year before the timeline, and became Fudo Peak's biggest bad guy. With the computing and analysis capabilities of a supercomputer and ceiling-level talent, he beat the coach, kicked the seniors, and became the new minister and coach. As the Great Demon King, write a new legend! The reawakened Kyushu duo Tachibana Yoshihei, the weird boy Akutsu who is also a delinquent, and the rebellious boy Yuta Fuji who want to prove themselves... All the talents gather at Fudo Peak, starting from the regional preliminaries, to create the strongest era! National competitions, U-17, World Cup, become the true dark horse and dominate the country! Tezuka: "Even if I concentrate on Kamiya, I am no match for him." Yukimura: "Any title will look ridiculous in front of him." Coach Mifune: "This guy made me realize for the first time that someone wearing a black uniform... This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.