 At the beginning of the series, Tsubasa is a lonely, soccer-obsessed, unembittered, elementary school pupil who has recently moved to the city of Nankatsu with his mother.Tsubasa 's life was saved by his football in a road-traffic accident when he was barely able to walk; Tsubasa held the football in front of him, which cushioned most of the impact.Immediately upon his arrival, Tsubasa challenges Shutetsu's genius goalkeeper Genzo Wakabayashi to a duel.