Ippei Akaki is the field leader of the Denjiman. A skilled karate instructor and athletic coach, he works with children at the Athletic Club, bringing discipline, confidence, and sharp martial arts technique to the team.

His fighting style is direct and powerful, built around decisive kicks and close-range combat. His signature technique is the Denji Vacuum Kick, a specialized finishing move that reflects his martial arts background and his role as the team's red warrior.