Touka Izayoi is a main character in the anime and game series 'Toushin Toshi.' She is known for her strong-willed personality, compassion, and determination. As the protagonist's love interest and a skilled fighter, Touka supports the main character throughout their journey, providing both emotional and physical assistance. Her dedication to her friends and her sense of justice make her a beloved character among fans. Throughout the series, she plays a crucial role in key story events and character development.