Tennis: I Start with the Ultra Instinct Template!

A martial arts athlete from the twenty-first century unexpectedly transmigrates into the world of tennis, becoming Tezuka Kunimitsu’s older brother, Tezuka Tetsumitsu!

From then on, Tezuka Kunimitsu’s fate takes a different turn!

Ryuzaki Sumire: "Tetsumitsu, Kunimitsu, you two are the most talented players I’ve ever seen! Trust me and come with me to Seigaku! I’m a top coach who has produced the world’s number-one player!"

Tezuka Tetsumitsu: "Seigaku? No way in hell! Kunimitsu, Fuji, come with me!"

Tezuka Kunimitsu: "I’m not anyone’s pillar! I play tennis for myself!"

Echizen Ryoma: "I’ll surpass you someday!"

Fuji Shusuke: "You’re my benchmark! Chasing after you is my greatest pleasure!"

Byodoin Phoenix: "He’s the next king! The pride of the Japanese team!"

This novel and its characters are entirely fictional. Any resemblance to actual people or events is purely coincidental. Do not imitate.