Yuuri

Yuuri serves as the head of 'Yuuri-dan', a youth organization rooted in the slums of the enclave known as 'Arei Yar'. Despite struggling with formal academics, he possesses remarkable hacking abilities that place him among the elite. With a naturally innocent disposition and a powerful sense of justice, he chooses to join the protagonist and her father on their journey, piloting his signature red machine 'Heart of Death' with the unwavering goal of upholding justice throughout the vast labyrinth.