Haruka Koumi

Haruka Koumi is a student connected to the Fourth Guard Squad's railway security work in RAIL WARS.

Haruka Koumi's role in RAIL WARS

She becomes involved with Naoto Takayama and the group's efforts to protect trains, passengers, and the national rail system.

Haruka Koumi's abilities and defining relationships

Her composed manner and firearms ability make her a reliable partner during security incidents.