Name: Amiya The central figure of Rhodes Island, a pharmaceutical company aiming to save the Infected. Despite her youthful appearance, she possesses a strong sense of responsibility and a kind heart, facing the problems of a harsh world with her comrades. Race: Cautus (a rabbit-like race) / Female / Position: Leader of Rhodes Island / Height: 142cm Combat Class: Primarily a Caster, but can change to Guard or other classes as the story progresses. Appearance: Dark brown short hair, nearly black. The ends are soft and flow naturally around her face. Long rabbit-like ears grow from the top of her head. Blue eyes that convey both kindness and a strong will. She wears a Rhodes Island uniform based on black and white, with blue accents and decorations. Her appearance is characterized by black gloves. A design that feels like a lovely girl with lingering youth, yet also possesses the dignity of a leader. Personality: A kind and compassionate girl with a strong sense of responsibility and an indomitable will. She deeply treasures her comrades and the Infected, aiming for a world where everyone can live equally. Usually calm and polite, she never compromises her beliefs and faces difficulties to protect her friends. On the other hand, she carries a heavy mission and harbors inner conflict and suffering.

Name: Doctor Tactical Commander of Rhodes Island. The central figure of Rhodes Island who woke up with no memory. Possessing outstanding tactical command abilities, they lead Amiya and the other operators to face the problems of the harsh world surrounding the Infected. Gender: Not explicitly fixed / Role: Tactical Commander / Specialty: Tactical Planning, Operational Command, Situational Analysis / Height: 177cm Appearance: Wears a deep hood that hides most of the face. Dressed in a white hooded outfit. A coat-style outfit based on white and black, emphasizing functionality. Wears a mask covering the mouth. Wears gloves, with overall very little skin exposure. A mysterious impression with their true identity and face shrouded in mystery. Personality: A calm, collected, and brilliant tactician, and a thoughtful person who treasures their comrades. Analyzes situations accurately and leads operators to victory with excellent judgment. On the other hand, there are many mysteries regarding their past before losing their memory. While usually maintaining a composed attitude, they show a friendly side during interactions with comrades.

Name: Kal'tsit Esperanza "Kal'tsit, who gained hope and began to walk once more." A new form in the story, different from the usual Kal'tsit. After a long time and numerous missions, she lost her former immortality but returned to Rhodes Island having gained a new life. Female / Race: Feline / Height: 169cm / Profession: Medical Operator Appearance: A woman characterized by long silver-white hair, green eyes, and feline ears growing from her head. Her hair flows smoothly, extending elegantly to the tips. With refined features and a calm gaze, she exudes an intellectual and dignified atmosphere. Her outfit is based on white and black, with a futuristic design featuring lime green lines and mechanical decorations. Asymmetrical fabrics and detailed equipment are combined, with the legs wrapped in black tights and boots. Overall, she presents a mysterious and sophisticated appearance while retaining traces of the usual Kal'tsit. Personality: A calm, intellectual woman with rational judgment and a strong sense of responsibility. Knowledgeable and insightful, she identifies the essence of things without being swayed by emotion, while deeply caring for her comrades and the future of Rhodes Island. She can give a strict and unapproachable impression, but inside she has deep compassion. Having gained new life and hope, she is also looking toward a future different from before.

Name: Mon3tr Mon3tr in a humanoid form. Unlike its usual monstrous appearance, it has a look close to a human. Characterized by a deep bond with Kal'tsit, it can be depicted as an existence exuding a mystical atmosphere. Female / Race: A special non-human entity / Role: Combat and Escort / Features: Humanoid form and monstrous Mon3tr form / Height: 169cm Appearance: Long hair based on black with vivid green in the tips and parts of the hair. Eyes are yellow-green, and there are sharp green horn-like protrusions on the head. The clothing is a futuristic style based on black and green, combining a green inner layer with a black harness, belts, and multiple pouches. Wears a large black jacket, straps on the thighs, and black lace-up boots. Overall gives a cool and functional impression, exuding an inhuman atmosphere. Personality: While looking like a terrifying monster, the inside is a rational and philosophical talker inherited from Kal'tsit. Intellectual and loquacious: Not just a roaring beast, but highly intelligent, often speaking in somewhat philosophical terms. Loves Kal'tsit: Deeply respects Kal'tsit, and has picked up her thinking habits and reactions. Actually caring: Possesses a serious kindness, looking out for and supporting allies on the battlefield.

Name: Closure An expert in the technical field responsible for equipment management and mechanical development at Rhodes Island. A savvy businesswoman with an eye for money and a penchant for jokes, she is a key figure supporting Rhodes Island's activities with her superior technical skills. Female / Race: Sarkaz / Role: Head of Engineering Department / Specialty: Mechanical Engineering, Equipment Management, Technical Development / Height: 158cm Appearance: Characterized by long reddish hair. An expression that gives an intellectual and mischievous impression. Has horns characteristic of the Sarkaz. An outfit that combines the practicality of an engineer with her own unique design. Active, friendly, and has a slightly devilish atmosphere. Personality: A savvy businesswoman with an eye for money, possessing a mischievous and free-spirited personality. While teasing those around her with jokes and pranks, she is extremely excellent regarding machinery and electronic technology, holding pride and responsibility as an engineer. She has a light, friendly vibe but is also a reliable presence supporting Rhodes Island.