Anime/Manga Season 1:
A fellow schoolmate of Reiji and Maiko, he initially holds a grudge against Reiji for stealing Maiko's affection, but the two eventually become close friends. He thinks of Reiji as a rival, but Reiji doesn't think much of him, especially after Reiji's lucky victory over Daisuke in their first battle against one another.
Manga Season 2:
While helping Maiko look for Takumi, he too was called by Meguru to return to Rikyu and help defend the two worlds once more. He still has a heavy crush on Maiko, and showed much jealousy toward Ichiro's friendly encouragement to her.