Shizuo Nakano

Height: 173cm
Playing Style: Defensive
Birthday: 14 March
Blood Type: A
Zodiac Sign: Pisces
Likes: Sweet Dogs

Ryo's childhood friend and teammate on his junior high school badminton team.
He pushed Ryo to go to Yokohama Minato High School when he was worried about going there.

(Source: Official Site, translated)