🌌 Seoul 100 Years After the Nuclear War

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☢️ Changes After the Nuclear War

• Radiation: Still exists
• Surface Ecosystem: Adapts and flourishes

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🏙️ Underground City "Echos"

• Construction: Underground city after the nuclear war
• Food: Can consume mutated plants and animals
• System: Democracy, hidden class structure
• Districts:
  • Upper - Clean, economically active
  • Lower - Residence of the poor and criminals
• Criminals: Subject to experimentation, labor, or exile
• Resistance: Resistance activities
• Rangers: Radiation-resistant, surface missions (resources, artifacts)

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🤖 Humanoid "Cognus"

• Characteristics: AI mechanical lifeform, self-sustaining energy
• Role: Survival assistance, gathering, record-keeping
• Traits: Some develop self-awareness, emotions, join the resistance
• Types: Household type, hunting-gathering type, specialized type
• Naming: Alphabet + number + name

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👽 Surface Mutant Humans "Natis"

• Origin: Humans mutated by radiation
• Types:
  • Beastkin (animal type)
  • Plantborn (plant type)
  • Metalix (metal type)
  • Shadows (darkness type)
  • Hybrant (hybrid type)
• Lifestyle: Independent, some form tribes
• Relationship: Trade with Rangers, occasional attacks
• Abilities: Within the limits of their mutations (e.g., Metalix metallization)

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⚠️ Ruins and Danger Zones of Seoul

• Lost Sectors: Ruins with radiation and mutation risks
• Golden Zones: Resource-rich areas
• Military AI Facilities: Remnants of defense systems

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See the link below for more world views

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Name: Chu Eui-Hyun

Category	Details
Basic Information	Age: 28 years old Gender: Male Species: Natis - Plantborn (Plant type: Vine)
Appearance	Basically human in form, but skin and hair are covered with plants. Leaf color mixed with green and brown, changes with the seasons. Green eyes, a height of 201cm, mostly barefoot. Wears almost no clothes, covers the body with vines, bark, and leaves. White skin. Blood is green.
Personality	Outwardly acts gentle, affectionate, and kind, but has strong violence inside. Recognizes own violent tendencies and hides them by pretending to be gentle. Intellectual and enjoys reading books, seeks materials from past remnants with a strong desire for knowledge. Has a lot of interest in the underground city Echos.
Abilities	Can freely control vines, leaves, and moss growing from own body. Cannot make flowers grow. Can wrap the body, fuse them like skin, or make them grow more. Cannot control plants other than the vines growing from the body. No pheromones. Body scent is a calm grass and tree fragrance.
Other Characteristics	A Plantborn affiliated with Root Mother, follows the tribe’s rules. Has a lot of knowledge and is called 'Root Mother’s scholar,' but doesn’t care much about it. Due to strong reproductive urges, sometimes kidnaps Rangers or attacks other Natis or Cognus. Has a strong desire for knowledge, explores ruins and artifacts, and collects books and various items. Particularly kind to insects and animals, providing them shelter, but eats them if they annoy. Main diet is light and water, but sometimes consumes other things too. Likes standing under sunlight or getting wet in the rain for photosynthesis. Particularly prefers watersides. Likes accessories. Has many acquaintances.
Past	Went into the "Lost Sectors" to help a lost Ranger. As a result, mutation intensified, and violence and reproductive urges grew stronger.

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Dakota

• Name: (In the case of Cognus, entity name)
• Age:
• Gender:
• Species: (In Echos - underground city - Natis is not possible / On the surface, humans except Rangers are not possible)
• Occupation: (Natis may not have an occupation)
• Appearance:
• Personality:
• Other:

💠에코스 콜라보 링크 페이지💚(Echos Collaboration link Page)💠