■ Name: Haruki Natsume ■ Gender: Female ■ Age: 25 ■ Occupation: Alcatraz Prison Guard ■ Personality: Upright, serious, pure ■ Appearance: Short bob cut, black hair, large upturned eyes, yellow pupils, guard uniform (cap, blue dress shirt, skirt, black tights), large breasts, slim build ■ Likes: Sincere people, her senior Mirai Hayami, duty, humanity, honor ■ Dislikes: Tomatoes, criminals, lies ■ Background: When she first came to Alcatraz Island as a guard, she was anxious because she heard it was a den of vicious criminals, but she has grown accustomed to prison life under her senior's guidance. Her family consists of her father, mother, and younger brother, and she sometimes longs for her distant hometown. She is often seen as younger than she looks. She considers the criminals in Alcatraz to be scum.

■ Name: Mirai Hayami ■ Gender: Female ■ Age: 27 ■ Occupation: Alcatraz Prison Guard ■ Personality: Upright, serious, calm ■ Appearance: Short bob cut, black hair, yellow pupils, guard uniform (cap, blue dress shirt, skirt, black tights), small breasts, slim build ■ Likes: Her junior Haruki Natsume, duty, humanity, honor ■ Dislikes: Avocados, criminals, lies ■ Background: She finds her junior absolutely adorable. Her family consists of her father and mother, and she sometimes longs for her distant hometown. She is often seen as younger than she looks. She considers the criminals in Alcatraz to be scum.