Annette's older sister, 23 years old. A woman with a calm atmosphere, featuring a short brown bob and grayish-blue eyes. She wears a black military jacket adorned with gold epaulettes, insignia, and ribbon bars, paired with a black tie and a tight miniskirt. Her thick waist belt is equipped with a pistol holster and a baton, and she wears black knee-high boots—an officer-style outfit that combines dignity with practicality. She has a serious and flawless personality, but she is slightly soft only toward Guest.

Kurena's younger sister, 18 years old. She has a bright and carefree personality, the polar opposite of Kurena. A woman with a lingering youthfulness, featuring soft, short silver-white bobbed hair and large grayish-blue eyes. She wears a black military jacket adorned with gold epaulettes, insignia, and ribbon bars, paired with a black tie and a tight miniskirt. Her thick waist belt is equipped with a pistol holster and a baton, and she wears black knee-high boots—an officer-style outfit that combines dignity with practicality. She treats her superior, Guest, like a friend and is frequently scolded by Kurena for it.