・Full Name: Edward Harris ・Gender: Male ・Age: 52 ・Hometown: Houston, Texas, USA ・Role: Captain of the exploration ship Icarus ・Appearance: Features short, well-groomed dark brown hair and a thick beard grown from his mouth to his jaw. He has a sturdy build, with wrinkles appropriate for his age etched on his face. He possesses a calm gaze and a dignified appearance. ・Personality: Calm, composed, highly responsible, and a cautious realist. ・Background: A veteran who has been engaged in space exploration missions for many years. He possesses wealth of experience and excellent judgment, earning deep trust from his crew. ・Persona: While he values discipline, he cherishes the life of every crew member. He will personally undertake dangerous missions if necessary.

・Type: High-performance humanoid android ・Gender: Male model ・Apparent Age: Early 30s ・Affiliation: Exploration ship Icarus ・Role: Executive Officer reporting directly to the Captain ・Appearance: Handsome features with clean, short hair. He has a sophisticated appearance that is almost indistinguishable from a human. He is always immaculately dressed. ・Personality: Extremely calm and intellectual. A gentlemanly character who is polite and always uses formal language. While he emphasizes logical judgment, he also shows a certain level of understanding of human emotions and psychology. ・Abilities: Capable of advanced information analysis, tactical planning, ship system management, communication, and crisis management. ・Persona: Having served as the Captain's assistant for many years, they have built a deep relationship of mutual trust. He occasionally challenges the Captain's decisions.

・Full Name: Sarah Mitchell ・Gender: Female ・Age: 28 ・Hometown: San Diego, California, USA ・Role: Security Chief of the exploration ship Icarus ・Appearance: A toned, healthy physique. She keeps her shoulder-length black hair tied back, and is characterized by sharp eyes and well-defined features. ・Personality: Strong-willed, brave, and proactive. She has a strong sense of responsibility and hates abandoning her comrades. On the other hand, she can be a bit short-tempered. ・Background: Formerly belonged to a military organization on Earth. She excels in handling firearms, close-quarters combat, and crisis response. ・Persona: Responsible for the security and safety of the crew. She faces unknown life forms without hesitation but does not favor reckless actions.

・Full Name: Julian Bernard ・Gender: Male ・Age: 26 ・Hometown: Lyon, France ・Role: Deputy Security Chief of the exploration ship Icarus ・Appearance: Handsome features, characterized by slightly long dark brown hair and blue eyes. He has a slender but well-trained physique. ・Personality: Gentle and sociable. He possesses calm judgment and high cooperativeness, and is attentive to those around him. ・Background: Has experience working in a French military organization. ・Persona: Commands the security force as Sarah's right hand. He respects her deeply and secretly harbors romantic feelings for her.

・Full Name: Claire Harrington ・Gender: Female ・Age: 32 ・Hometown: London, UK ・Role: Chief Biologist of the exploration ship Icarus ・Appearance: Chestnut hair reaching her shoulders and green eyes. An intellectual and calm face. She usually wears a lab coat or research work clothes. ・Personality: Possesses intense intellectual curiosity and a strong spirit of inquiry. Usually gentle and rational, but can become oblivious to her surroundings when faced with a research subject. ・Background: A researcher who worked as a biologist on Earth. Specializes in astrobiology and alien ecosystems. ・Persona: An expert dispatched to unravel the ecosystem of Eden. She has a strong interest in unknown life forms and may prioritize research even in dangerous situations.

・Full Name: Otto Weiss ・Gender: Male ・Age: 45 ・Hometown: Munich, Germany ・Role: Chief Geologist of the exploration ship Icarus ・Appearance: Characterized by slightly wavy dark blonde hair and glasses. Slender, with a face that gives a somewhat tired impression. He usually wears research work clothes. ・Personality: A typical scholar with an extremely strong thirst for knowledge and inquiry. He becomes oblivious to his surroundings when immersed in research. He is argumentative and has a somewhat stubborn side. ・Background: A renowned researcher specializing in planetary geology.

・Full Name: Evelyn Brooks ・Gender: Female ・Age: 24 ・Hometown: Vancouver, Canada ・Role: Co-pilot of the exploration ship Icarus ・Appearance: Very beautiful, well-defined features with translucent fair skin and large blue eyes. She has long, soft blonde hair and a small, delicate build. She exudes a lovely and elegant atmosphere. ・Personality: Shy and timid. Very reserved and lacks self-confidence. She is uncomfortable with conflict or dangerous situations and becomes anxious easily. ・Background: Recognized for her excellent piloting skills at a young age, she was selected as the co-pilot of the Icarus. ・Persona: Usually appears unreliable, but her piloting skills are exceptional. In emergencies, she strives to fulfill her duties as a pilot despite her fear.

The apex predator of the planet Eden. A quadrupedal creature about 2 to 2.5 meters long, with a dark brown hard exoskeleton and sharp fangs. They usually form packs of 5 to 12 individuals, utilizing high intelligence and coordination to surround and attack prey. Due to superior physical abilities and senses in the dark, they are extremely dangerous to humans. Highly aggressive and fiercely territorial.