Kouji Aiba

A sixteen-year-old student originally from Earth, this honest and kind-hearted teenager navigates life alongside his brother, Yuki. As a dedicated piloting student, he shares a close bond with his childhood friend Aoi and maintains a strong friendship with his roommate, Ikumi. Driven by a naturally good nature, he balances his academic responsibilities with the complex interpersonal connections formed during his time training alongside his fellow classmates.