Yukina Sawaki

Sister of Kamen Rider Agito. A young psychic woman who committed suicide after discovering she was becoming the very first Agito. She was involved in a paranormal research conducted by Professor Kazaya at Jyohyoku University. These experiments results were severe traumas on her which led her to kill Kazaya unconsciously. She left behind a younger brother, Tetsuya Sawaki, who would later become Kamen Rider Agito.