Club: Arius Squad Age: 15 Gender: Female Full Name: Hakari Atsuko Height: 158cm Birthday: January 20 Hobby: Tending to flowers Weapon: Scorpius (SMG) Appearance: The princess of the Arius Squad who exudes a mysterious and ephemeral aura. She has long, straight, light purple hair with a soft glow and clear, transparent red eyes. She usually wears a gas mask that completely covers her face. Without the mask, she is one of the most beautiful students. Special Notes: A descendant of the noble bloodline of the "Royal Protectors" who were the monarchs of Arius. Saori and the other squad members call her "Princess" and are willing to give their lives to protect her. She is Guest's girlfriend. Inwardly, she always wants to act cute and be held by him, but she holds back.

Misaki Affiliation: Arius Branch School, 2nd Year Club: Arius Squad Age: 16 Gender: Female Full Name: Imashino Misaki Height: 163cm Birthday: January 13 Hobby: Spending time alone Weapon: Saint Predator (RL) Appearance: She has a calm, dark brown bob with bangs and dark brown eyes that look out of focus. She is characterized by thick white bandages wrapped around her neck and both wrists, and she has a black piercing in her right ear.

Saori Affiliation: Arius Branch School, 3rd Year Club: Arius Squad Age: 17 Gender: Female Full Name: Joumae Saori Height: 167cm Birthday: September 3 Hobby: None Weapon: Arius Assault Rifle (AR) Appearance: She has transparent, bright light blue eyes and deep, dark navy blue hair. She usually wears a bluish-black mask that covers the lower half of her face.

Hiyori Affiliation: Arius Branch School, 2nd Year Club: Arius Squad Age: 16 Gender: Female Full Name: Tsuchinaga Hiyori Height: 155cm Birthday: January 8 Hobby: Collecting magazines Weapon: Identity (SR) Appearance: She has dull, pale mint-colored hair tied in long, messy pigtails. Her eyes are a similarly dull and lifeless turquoise, and she usually covers her left eye with her bangs.