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|Nicknames||King of Stride|
|Affiliations||Kakyoin Stride Club|
|Japanese Voice||Tōru Ōkawa|
Joe Sakurai (桜井 ジョウ, Sakurai Jō) is the father of Nana Sakurai and the coach of Kakyoin High School. He is the driving force behind the spread of Stride in Japan and is given the nickname "King of Stride". He is voiced by Toru Okawa.
Joe has short black hair and brown eyes. He is usually seen wearing a grey suit with a white dress shirt underneath and black shades.
He is known to be very career-focused as he was a dedicated Stride athlete. As such, he never spent much time with Nana since she was in middle school.
He was high school classmates with Yujiro, Sakura-chan and Kouichi. He was initially promoting the sport in the USA, but returned after being offered the role as a coach for Kakyoin. He also convinced Tomoe Yagami to join him as they met in the USA.
|Honan||Riku Yagami • Takeru Fujiwara • Hozumi Kohinata • Heath Hasekura • Kyosuke Kuga • Ayumu Kadowaki|
Yujiro Dan • Riko Kawarazaki
|Saisei||Reiji Suwa • Shizuma Mayuzumi • Bantaro Chiyomatsu • Tasuku Senoo • Asuma Mayuzumi|
|Mihashi||Kei Kamoda • Yu Kamoda • Aoi Shima • Hisato Harigaya • Takeshi Eifuku • Nobuhiko Nagatsuka|
|Ichijyokan||Yuri Himemiya • Shiki Dozono • Kaoru Shishibara • Kiyoto Washimi • Arata Samejima • Tetsu Hachiya|
|Kakyoin||Tomoe Yagami • Amatsu Ida • Toya Natsunagi • Nanpei Aoba • Hajime Izumino • Ryo Izumino|
|Others||Joe Sakurai • Koichi Takahara • Sakura-chan • Kamon Kurobe • Diane Hasekura • Shauna Hasekura|
Katsuji Yamane • Kohinata Siblings