Junpei has shaggy brown hair, brown eyes and freckles.
Junpei is supportive of Nozomi Onda and he speaks his mind which can get him in trouble with Nozomi.
As a member of the Fuji Daiichi Middle team, Junpei participated in the matches. He was stripped and tied up in the bathroom because Nozomi Onda wanted to join the game so she took his clothes.
In the anime, Junpei joins Tetsuji Yamada, Kaoru Takei and Yasuaki Tani in the audience for the Warabi vs. Urawa match. He is also the cameraman as his parents told him to record the match for Nozomi Onda.
Fuji Boys Soccer Team
They were teammates in the Fuji Boys Soccer Team. Nozomi is Junpei's big sister.
Kouzou is Junpei's coach in the Fuji Boys Soccer Team.
- The name Junpei means "obey/obedience, submit" (順) (jun) and "flat, broad, level, even, peaceful" (平) (hei/pei).
- Junpei's surname Onda means "grace, favor, obligation" (恩) (on) and "field, rice paddy" (田) (ta/da).