Masou Gakuen HxH: Tough Decisions

Reiri Hida sits in a chair, while Kizuna Hida angrily glares at her from behind

Reiri Hida is both the principal and commander of the Ataraxia military academy. She gives orders to people like her younger brother, Kizuna, who possess a Heart Hybrid Gear weapon armor that can fight against invaders from another world.
From the anime series Masou Gakuen HxH (Hybrid × Heart Magias Academy Ataraxia)