|JP name||五木 勝正|
|Game||Inazuma Eleven GO Galaxy|
Itsuki Katsumasa (五木 勝正) is a midfielder for Teikoku Gakuen.
His hair is dark brown and spiky. He has also big eyebrows and dark skin. He wears the Teikoku Gakuen soccer uniform.
He first appeared in Episode 1 with the rest of his team to play an exhibition match against formed Japan team, Inazuma Japan. In the match, he sliding tackled Tsurugi Kyousuke to steal the ball from him which succeeded. At the end of the match, Teikoku won with 10-1, resulting that Inazuma Japan was a bad team.