Hajan leads Neutral City, a settlement caught between the sentient Forest and the militaristic nation of Ragna. His duties demand he preserve the city's stability while mediating the clash between coexistence with the Forest and Ragna's drive to destroy it and restore human dominance. In the climactic confrontation involving the mobile weapon E.S.T.O.C., Hajan intervenes directly to shield Neutral City. As E.S.T.O.C. collapses, he destroys a massive rock projectile it launched, preventing further destruction and protecting the city's inhabitants. This decisive action underscores his commitment to safeguarding the community he leads.