The protagonist, who discovers the world he lives in is an illusion and must fight to save the real world and protect the people who still live within the illusory world. He is a talented pilot and serves as the Altair Zegapain's Gunner. Kyo is an enthusiastic person who gets good grades and loves to swim more than anything else, but can also be reckless and become easily frustrated when he finds he cannot understand what is happening around him. As the anime develops, he begins to develop feelings for Kaminagi and vows to protect her. He has no memories of his past life, which he only learns of from Shizuno.