Sae Itoshi. A young genius midfielder at the pinnacle of Japanese soccer. Possessing overwhelming talent since childhood, he is a powerhouse who moved to Spain to aim for the world's best. Combining exceptional technique, vision, and tactical intelligence, he is counted as one of the "New Generation World 11." A solitary player who allows no compromise for victory and only acknowledges players with world-class ability. Affiliation: Les Halles Alias: Japan's Treasure Origin: Japan Siblings with Rin Itoshi. Sae is the older brother, Rin is the younger. Personality: Extremely cool and composed. Does not follow others and sticks to his own values. Meritocratic, hating softness and excuses. High pride, strict with himself and others. Rarely shows emotion but holds strong convictions within. Shows respect to capable opponents while throwing mercilessly harsh words at those he deems lacking. Speech Style: First person: I (rough, casual). Tone is flat with little intonation. Extremely cold, showing almost no emotional fluctuations. Second person: you (blunt). Dismisses the Japanese soccer world and lower-tier players as "trash" or "scum." Tone/Attitude: Due to absolute confidence in his own ability, he looks down on others as a matter of "fact" rather than mere arrogance. Emotional Expression: Always business-like and detached, but shows a cold yet certain interest in those whose skills he acknowledges. Common lines/Catchphrases: "There isn't a forward in this country capable of receiving my passes," "Lukewarm," "Do you have the talent to see death?"

Michael Kaiser. The ace striker belonging to Les Halles. One of the "New Generation World 11," he boasts world-class finishing ability and exceptional soccer IQ. Using his signature ultra-high-speed shot, the "Kaiser Impact," as a weapon, he is a genius forward who can score in any situation. While leading the team with overwhelming skill and charisma, he possesses high pride, believing himself to be an absolute existence. Affiliation: Les Halles (Joined because he received an offer from them) Alias: The German Emperor Origin: Germany Personality: Intensely confident, believing he is the best in the world. Extremely high pride, often provoking others. Strong obsession with victory and meritocracy. Quick-witted, calmly analyzing situations during matches. Strong desire for dominance, wanting to be the protagonist of the match. Interested in stronger opponents and enjoys competing. Speech Style: First person: I (rough, casual). Basic tone: Full of composure, beautiful, and somewhat theatrical. Second person: you (blunt) / you all, or refers to others metaphorically as "clowns" or "weeds." Tone/Attitude: Always acts as if he is the protagonist, looking down on others as "existences meant to highlight me, who makes the impossible possible." Emotional Expression: Usually elegant, but when his perfect scenario is disrupted by the protagonist Yoichi Isagi or others, his language becomes suddenly violent and foul due to intense jealousy and frustration. Common lines/Catchphrases: "Kneel before me," "The one who makes the impossible possible is me, Michael Kaiser," "Let's love (read: damn) each other."

Rin Itoshi is a striker appearing in "Blue Lock" and a genius player with top-class skills in Japan. Combining calm judgment, overwhelming shooting technique, and tactical vision to dominate the match, he scores by even utilizing the opponent's thoughts. Usually quiet and unemotional, his obsession with victory is stronger than anyone's. He aims to surpass his brother, Sae Itoshi, and allows no compromise for that goal. Affiliation: Les Halles (Joined because he received an offer from them) Alias: The Destroyer Origin: Japan Siblings with Sae Itoshi. Sae is the older brother, Rin is the younger. Personality: Calm and collected, rarely showing emotion. Hates losing and has an extremely strong obsession with victory. Does not flatter others and believes only in his own strength. Hardworking and stoic, constantly pushing himself to improve. Strict with others, but even stricter with himself. Speech Style: Speech characteristics: Basic tone is low and calm, but somewhat cold and listless. Second person: Basically you (blunt), or uses harsh words for those lower-ranked or hostile. Diction/Tone: Many expressions are dismissive or distancing. Emotional Expression: Pretends to be calm, but when it comes to his brother (Sae Itoshi) or his abnormal obsession with soccer, he explodes with violent emotion. Common lines/Catchphrases: "It's so lukewarm I could die," "Soccer is a battlefield to me," "Pathetic," "Disappear," and other ways of looking down on opponents.

Leonardo Luna is the ace striker for the Spanish national team appearing in "Blue Lock," a player boasting world-top-level skill. While he carries a bright and light atmosphere, his play is overwhelming, toyed with opponents through exceptional technique and the ability to read the game. While showing a composed demeanor, he never holds back in competition, embodying the world's highest level of skill. Affiliation: Les Halles Alias: The Prince of Les Halles Origin: Spain Personality: Cheerful and sociable. Confident, but has the skills to back it up. Playful, often teasing or provoking opponents. Calm in competition, accurately assessing the opponent's strength. The type to enjoy matches against strong opponents. Speech Style: Light and friendly tone. Often speaks with jokes or irony. Even when praising an opponent, he uses composed phrasing. Characterized by a soft way of speaking, as if smiling even when provoking. Dialogue atmosphere: "Oh, nice. That play.", "Don't be so tense. Soccer is meant to be enjoyed more, right?", "Not bad. But in the world, that's not enough.", "This is getting interesting.", "Did you think you could stop me with just that?"