Roberto Hongo, known fully as Roberto Hongō, is a Brazilian professional football player of Japanese descent. His career launched at São Paulo FC, propelling him to prominence as an attacking midfielder and securing the number 10 jersey for the Brazil national team. His early life faced profound hardship, marked by his mother's death in a factory accident just before his São Paulo selection. This left him pursuing football dreams alone with a ball she had given him. His playing style featured advanced techniques like the bicycle kick and curved shot, cementing his status among Brazil's elite. A career-ending retinal detachment occurred when a hard tackle caused him to fall and strike his head during a match. This injury triggered severe depression, alcoholism, and a suicide attempt. He was rescued by Kodai Ozora, ship captain and father of Tsubasa Ozora, who urged Roberto to seek eye treatment in Japan. Doctors there confirmed irreversible damage. In Japan, Roberto met young Tsubasa Ozora, whose football passion inspired him to quit drinking and become Tsubasa's mentor. He gifted Tsubasa a training book with detailed notes, stressing the shift from forward to midfielder and mastery of long-range and curved shots. Roberto initially planned to take Tsubasa to Brazil after a national elementary tournament but postponed this, leaving only the book. Years later, as São Paulo FC's youth coach, he saw Tsubasa's footage and reunited with him at an international junior tournament in Paris. He then fulfilled his promise, taking Tsubasa to Brazil for three years of intensive training at São Paulo FC. There, he taught advanced techniques like his signature Skywing Shot—a powerful rising strike. Under Roberto's guidance, Tsubasa excelled in Brazil's professional league. Roberto later coached Brazil's Youth national team for the World Youth Championship, strategically omitting a number 10 player to neutralize Tsubasa's impact. He secretly scouted prodigy Natureza for this role. In the final against Japan, Roberto's tactics initially succeeded, but Japan's teamwork prevailed, forcing him to field Natureza. Japan won, and Roberto acknowledged Tsubasa had surpassed him. He supported Tsubasa's transfer to FC Barcelona in the "Road to 2002" arc, advising him to learn from midfielder Rivaul and attending his El Clásico debut. In the "Rising Sun" arc, Roberto served as assistant coach for Brazil's Olympic team at the Madrid Games. Beyond Tsubasa, Roberto mentored others. In non-canon media like "Sekai Daikessen!! Jr. World Cup," he coached the All South America Jr. team and trained Carlos Santana—the "Football Cyborg"—teaching him the Drive Shoot. Santana later mastered the Skywing Shot under Roberto. Roberto's technical arsenal, partly inherited by Tsubasa and Santana, included aerial moves (bicycle kicks, low bicycle kicks, curved aerial shots), ground shots (curved shot, aerial curved shot, Skywing Shot, long-range curved shot), dribbles (South American dribble, aerial heel flick), passes (curved pass, aerial curved pass), and cooperative plays like the "Master and Disciple" sequence with Tsubasa. His character draws from real-life Brazilian footballers: his beard and style resemble Sócrates, while his forced retirement due to an eye injury mirrors 1970 World Cup champion Tostão. His birthday aligns with Brazil's Independence Day. International adaptations vary his name: Roberto Sedinho in European Spanish and French dubs, Roberto Zedinho in Latin American Spanish, and Roberto Maravilha in Brazilian Portuguese—a nickname referencing players Dario José dos Santos and Túlio Pereira Costa. The retinal detachment injury stemmed solely from the match collision, without severe concussion.