"Saiyuki: Gunlock" is an anime series that continues the story of the original Saiyuki series. It follows the journey of four main characters: Genjo Sanzo, Son Goku, Sha Gojyo, and Cho Hakkai, as they travel through a fantastical world filled with demons and challenges. Their mission is to stop the resurrection of the Demon King and restore peace. The series features a blend of action, adventure, and humor, showcasing the characters' unique abilities and their evolving relationships. As they face various adversaries, the themes of friendship and loyalty are explored, making it a compelling continuation of the Saiyuki saga.