Nanjiro Echizen  

Samurai Nanjiro, 越前 南次郎

Ryoma Echizen is the son of Nanjiro Echizen, who is also known as "Samurai Nanjiro" for his exceptional tennis skills during his early years as a professional player. He was trained by Sumire Ryuzaki in Junior high school and discovered his natural talent in Tennis at that time. After becoming a pro, he remained undefeated until he was just one opponent away from winning a Grand Slam title before deciding to retire unexpectedly. Nanako Meino is the niece of Nanjiro Echizen.