After attending Kanagawa University for four years,[2] Itō first became a Special Designated Player for Ventforet Kofu,[3] and obtained a new contract with the J1 League side.

[6] On 18 September, he made his Champions League debut as a starter in the group stage match against Red Bull Salzburg.

[citation needed] He was selected for Hajime Moriyasu's final World Cup squad in October 2022.

[10] On 31 January 2024, Shukan Shincho reported that police had launched an investigation into Itō following a criminal complaint filed by two women alleging that he had engaged in sexual misconduct with them while they were intoxicated at a hotel in Osaka without their consent after a match for Japan against Peru in June 2023.

On 19 February, he filed a lawsuit against the two women at the Osaka District Court, claiming that their sponsorship contracts were terminated due to false complaints and demanding 200 million yen in damages.