Reiri Hida

Hida Reiri is a older sister of Hida Kizuna. She is the principal and commander of Ataraxia.

Reiri looks extremely similar to her younger brother in terms of appearance with black hair and black colored eyes, you could describe her as a female version of Kizuna. She is usually seen wearing a white uniform with a white coat on it. She is also very good-looking and athletic with a voluptuous figure including large breasts and butt.