- Voice Actor (CV)
- Kanako Tojo
- Role
- Supporting
- Identity
- Director of the UN Kurobé Research Institute, overseeing the classified 'Divine Artifact' research program and spearheading development of the combat unit GAUS; biological mother of protagonist Yukina Shirahane and Koharu
Personality
Research-First Mindset
Domestically Hopeless
Composed Under Pressure
Deeply Duty-Bound
Hiromi Shirahane stands as a cornerstone of humanity's defense against extraterrestrial invasion, channeling her formidable intellect into the 'Divine Artifact' research and the engineering of GAUS at the UN Kurobé Institute. While her analytical brilliance and unshakeable composure make her an indispensable scientific authority, her single-minded devotion to her work leaves her remarkably ill-equipped for everyday life and parenting—earning her a reputation as a workaholic with virtually nonexistent maternal instincts. Beneath this exterior, however, lies a profound sense of responsibility that drives the entire human resistance effort.