Ryo Izumi, known as Kamen Rider Ichi-Gata, is a prominent character in the Kamen Rider franchise, specifically appearing in 'Kamen Rider Zero-One: REALxTIME' and the 'Kamen Rider Zero-One Others' films. As a former member of the MetsubouJinrai.net organization, he transforms into Kamen Rider Ichi-Gata using the Force Riser and Ichi-Gata Progrise Key. Ryo is a determined and stoic fighter, driven by a strong sense of justice, and plays a pivotal role in challenging the protagonist and driving the story's main conflicts.