Naoya Sagiri

Once a dedicated doctor at Keyaki General Hospital, this ambitious Captain in the IJA's 1st Tactical Armor Regiment shares a complicated history with the Ayamine family. Though he grew up close to Kei Ayamine, pursuing professional advancement led him to sacrifice his past connections and marry the hospital director's daughter. Despite his successful career and family life, he remains haunted by lingering regrets regarding his lost bond with Kei and the sacrifices made for his upward mobility.