Kanzaki Souji is a central character in the series Kamen Rider Revice. He serves as a key ally to the protagonist, Ikki Igarashi, and plays a significant role in the fight against the Deadmans, a group threatening humanity. Souji's character is known for his strong sense of justice and determination to protect others. In addition to his combat skills, Kanzaki Souji has a unique connection to the Vice entity, which enhances his abilities. This partnership allows him to access powerful transformations, making him a formidable force in battles. His character development throughout the series highlights themes of friendship and sacrifice.