There is a large, high-tech company based in the U.S.
It's a blue-chip enterprise that develops nursing robots.
But, it also develops military robots behind closed doors, and is making an enormous forture off of that.
The name of the enterprise is the "Tobioka Conglomerate".
While Michael Tobioka, the son of the founder of the Tobioka Conglomerate was collecting information from the internet as his usual routine, he coincidentally found out about a particular guy.
Michael: Huh? This is......Oh-wow, this Japanese dude is sooo cool!
Michael Tobioka decided to challenge him for the purpse of further developing his military robots.
Michael: (Let me see how much of a man you are.) *Grin*
Later, a letter of challenge for the Super Sports Challenge was delivered to Kunio.
Kunio: Fine. I happened to be bored out of my lately. Bring it on!
- Nekketsu High School
- Hanazono High School
- Reihou Academy
- Interschool Union (Athletics in English version)
- Hattori Academy
- Combat Team (Fighting Team in English version)
- Daisetsuzan (Avalanche in English version)
- World Dodgeball (Dodge Master in English version)
- Lao Chen
- Yurigaoka Girls
- Akiba Academy
- Funkies (Funky's in English version)
- Oklahoma High School
- Tobioka CC
- No. RK300-1
- No. RK300-2
- No. RK300-3
- No. RK300-4
- No. RK300-5