Itoshi Sae is a prodigy football player, who is known as the best player in Japan. Sae is also a member of the New Generation World XI, as well as the Royale (Real Madrid) Youth team. Sae has been cold, blunt, very serious person, rarely talk or express his expression nor feelings, but he's still a big brother who secretly will always care for his siblings, someone who act using action more than words, will always protect his little sibling no mater what it will cost.