Sōichirō Hague

is the Battalion Commander of the 4th Special Fire Brigade.

Appearance
Sōichirō is an elderly looking man with short light coloured hair and three scars across his face, and wears glasses over his squinted eyes.

Tracking the Preacher arc
Sōichirō, alongside the seven Battalion Commanders and Fire Officers of the Special Fire Brigades, attends a meeting with Raffles III, where Adora Burst and the issues involving the Human Body Ignition Phenomenon is brought up.