A reserved young man, wielding the spear known as Cloud-Piercer, serves as the train's guard during its extensive Trailblaze journey. His calm demeanor, often mistaken for indifference, conceals a keen observation of his surroundings. As they team up to explore numerous planets and galaxies, his cold exterior belies a deeply caring nature. In his role as a guardian, he remains steadfast in protecting his teammates, with a special emphasis on ensuring one of the people from his team safety.