Kuya Amagi is a fifteen-year-old young man who pilots the Dangaioh B unit and acts as the leader of the Dangaioh team. His role is defined by a profound personal commitment: he carries on the will of his older brother, who was originally chosen as the official pilot for the Dangaioh project but could not fulfill that duty. This background shapes his motivation, driving him to protect the Earth from the invading forces of the Tartarus Knights and to live up to his brother’s intended legacy. His personality is a study in contrasts. On the surface he is quiet and reserved, often coming across as cool or detached, yet beneath that exterior he is hot-blooded and fiercely determined when battle calls. He is also deeply sensitive and prone to indecision, particularly in personal matters; he would unhesitatingly give his life to shield someone he cares about, but struggles to give a clear answer when faced with a confession of love. As the series unfolds, his initial enigmatic distance gives way to a more open and protective nature. He develops strong bonds with his fellow pilots, especially Hitomi Chidou and Mishio Manami, and becomes a trustworthy confidant to them. Ryuko Shima, an older pilot and support figure, takes a particular interest in teasing him, adding a playful dynamic that helps reveal his softer side. Kuya’s arc traces a journey from guarded isolation to emotional connection, all while grappling with the weight of his brother’s memory and his own insecurities. In combat, he demonstrates sharp analytical thinking and strategic acumen, piloting Dangaioh B with precision and coordinating the three separate machines into the combined Great Dangaioh. His notable abilities include adept mecha piloting, quick tactical judgment under pressure, and the leadership required to unite his teammates against formidable enemies.