Jō Kazama (風馬 成, Kazama Jō) is a central character and first-year student at Kakegawa High School. He is a key member of the school's soccer team, where his notable height and physical power contribute to his leadership role.

His personality is hot-headed, frequently causing clashes with others and shaping his interactions within the team. Despite this volatility, he shares a deep, longstanding bond of trust with his teammate Kurokawa, rooted in their childhood connection.

Jō hails from a family immersed in soccer: his father was a professional player, and his older brother is a highly skilled player. Jō idolizes his brother and harbors the ambition to play alongside him one day. This family legacy fuels his personal dream of becoming the world's best soccer player.

On the field, Jō displays exceptional soccer abilities, particularly impressive speed, agility, and ball-handling skills, quickly establishing him as a standout player. His confidence grows as he actively pursues a future professional career, attracting talent scouts.

Determination defines Jō, driving him to train rigorously daily to enhance his skills. Throughout his journey, he faces various challenges and setbacks that threaten his aspirations, yet he consistently maintains focus and refuses to surrender. These experiences teach him valuable lessons in teamwork, sportsmanship, and perseverance, shaping his development as both an athlete and an individual.

His given name Jō (成) means "become," while his surname Kazama (風馬) combines the characters for "wind, breeze" (風) and "horse" (馬).