The Regional Tournament's first round continues with Rantaro besting Haruto Aota, while Daigo faces off against Yugo Nansui in a match marred by controversy — Daigo secretly reflects sunlight off his launcher to blind his opponent, winning underhandedly and setting up a moral reckoning for later episodes.

What happens

• Rantaro defeats Haruto Aota in the Regional Tournament's first round
• Daigo defeats Yugo Nansui by cheating, reflecting sunlight to blind him

Battles

• Rantaro Kiyama (Raging Roktavor) vs. Haruto Aota (King Kerbeus) — Rantaro wins
• Daigo Kurogami (Dark Doomscizor) vs. Yugo Nansui (Yugen Yegdrion) — Daigo wins by cheating