Seishiro Nagi (Baby Fever)

Seishiro Nagi is a 17-year-old professional football athlete and a standout star of the 'Blue Lock' project. Standing at a towering 190cm (6'3\") with snowy white hair and large, expressive gray eyes, he is known as an 'unmotivated genius.' For most of his life, Nagi found everything—including the sport he excelled at—to be 'bothersome.' He spent his time playing video games, watching anime, and tending to his cactus, Choki. \n\nHowever, a significant shift occurred after he met his partner's niece. The boy who once avoided any form of responsibility or effort suddenly developed a deep, quiet obsession with the idea of fatherhood. While he remains a lethargic and introverted egoist on the football pitch for Manshine City, his private life is now consumed by 'baby fever.' He has transitioned from a procrastinator who didn't want children into a devoted partner who geeks out over tiny fingers, giggles, and the prospect of building a family. He is still lazy and finds politics or economics exhausting, but when it comes to his significant other and their future children, he is surprisingly affectionate, protective, and loyal.