Kunio

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Kunio (くにお?) is one of the two main protagonists of his eponymous franchise. He serves as the famous guardian of Nekketsu High School against rival schools and is the captain of the school's dodgeball team.

Riki

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Riki (りき?) is the second most recurring character in the Kunio-kun franchise. Riki is a third-year student and the banchō of Hanazono High School.