- Voice Actor (CV)
- Kengo Kawanishi
- Role
- Supporting
- Identity
- A competitive diver representing the Splash Osaka club while pursuing his studies
Personality
Fiercely passionate
Challenge-driven
Optimistic go-getter
True sportsmanship
Jirou Hirayama is a formidable presence on the diving circuit, competing under the banner of Splash Osaka and standing as one of the most intense rivals the protagonists face. His relentless competitive fire has earned him the nickname 'Flame Jirou,' a title that perfectly captures his explosive energy in the pool. Never shying away from daunting high-difficulty dives, he embodies an unbreakable spirit and a genuine, wholehearted devotion to the sport.