Rui Tatsumi

As the ambitious leader of Team Hiragi, this confident competitor shares a long history with middle school classmates Kaito and Tooru. Driven by a lifelong desire to overtake Kaito, he maintains an unwavering belief in his squad's superior abilities, often dismissing Team Otori as mere non-threats. Beyond the arena, he shares a deep bond with his childhood friend Eigo, with the two fondly remembered by their old nickname as "Princess" and "Knight."