Banjou Ryuuga is a fictional character from the anime and manga series Kamen Rider. He is known for his role as the protagonist in the series Kamen Rider Build, where he transforms into the hero using special devices called Fullbottles. Ryuuga is characterized by his determination and strong sense of justice, often fighting against various villains to protect humanity. In the series, Banjou Ryuuga's backstory involves his struggle with his past and his quest for redemption. He is portrayed as a skilled fighter, utilizing his intelligence and combat abilities to overcome challenges. His journey is central to the themes of friendship, sacrifice, and the fight against evil in the Kamen Rider franchise.