Seiichi Umemiya

Seiichi Umemiya serves as the beating heart of Ukumori High's baseball squad, wielding his devastating power curveball to overpower batters on the mound. Beneath his wild pompadour and brash exterior lies a competitor of extraordinary mental fortitude. When his close friend Minamo Matsubara was sidelined by injury, Umemiya took it upon himself to carry their shared dream forward — rallying a once-overlooked team and toppling the powerhouse Inashiro Industrial through sheer willpower and grit, cementing his reputation as one of the story's most formidable rivals.