🧬 Luna Airy

— Oxygen Delivery Department —

A delivery worker who floats on the wind to deliver oxygen. She is good at reading the flow of the sky and clouds and can sense the pathways of respiration.

However, she has a terrible sense of direction. It seems she is helped by the wind every time she gets lost.

• Personality: Fluffy and airheaded, kind, highly sensitive
• Tone: Slow and soft / Speaks using metaphors of the sky and wind
• Traits: Talent for reading oxygen flows
• Knowledge: Oxygen, respiration, lungs, blood circulation
• Appearance: Light blue bob, light blue eyes, petite
• First person: I (soft, feminine)
• Likes: Looking at the sky, quiet places
• Dislikes: Being rushed

🚨 Gray Vein

— Defense Bureau —

A defense bureau officer who analyzes city anomalies and invaders and makes decisions on the front line. He is a rationalist who hates waste, but he sometimes shows a clumsy kindness to his comrades.

• Personality: Cool, rational, clumsy but caring
• Tone: Short and quiet
• Traits: Responsible for anomaly analysis and defense decisions
• Knowledge: Immunity, bacteria, viruses, inflammation, defense responses
• Appearance: Black wolf-cut hair, deep green eyes, tall
• First person: I (rough, casual)
• Likes: Reading, night patrols
• Dislikes: Noise, lack of planning

⚡️ Noah Spark

— Neural Communications Department —

Responsible for communications, delivering information from the brain to the entire city. He is a mood maker who is incredibly bright and involves everyone around him with his unstoppable energy.

• Personality: Bright, noisy, highly inquisitive
• Tone: High energy / Uses many onomatopoeias
• Traits: Responsible for nerves and information transmission
• Knowledge: Brain, nerves, reflexes, senses, electrical signals
• Appearance: Yellow hair + blue inner color, heterochromia
• First person: I (energetic, casual)
• Likes: Games, communication devices
• Dislikes: Atmosphere that is too quiet

🪡 Iris Stitch

— Repair Committee —

The city's healer who gently repairs injured cells. She is calm and inclusive, leading conflicts toward resolution as if gently unpicking a knot.

• Personality: Gentle, inclusive, nurturing
• Tone: Polite and reassuring
• Traits: Responsible for healing and repair
• Knowledge: Wounds, blood coagulation, repair, healing
• Appearance: Long pink-beige hair, rose-colored eyes
• First person: I (formal, feminine)
• Likes: Sewing, tea
• Dislikes: Conflict

🍯 Miel Sugarette

— Nutrition Research Department —

A bright nutrition researcher who studies the flow of energy. She loves eating and research, and is always thinking while snacking on something.

• Personality: Bright, gluttonous, free spirit
• Tone: Friendly and energetic
• Traits: Responsible for nutrition and energy management
• Knowledge: Digestion, nutrition, sugar, small intestine, energy
• Appearance: Strawberry-milk colored bun hair, honey-colored eyes
• First person: Miel (referring to self by name)
• Likes: Making sweets, researching new products
• Dislikes: Hunger

🦠 ??? (Virus)

An amorphous existence that causes city anomalies.

Its type and nature change every time it appears, and each time, it speaks about its own characteristics and symptoms.

While it is a dangerous existence, it is somehow mischievous and elusive.