100 years after human extinction. A slow-life sci-fi story of an alien and an android on Earth.
Planet "Nea," far from Earth. In Nea, which possesses an advanced space civilization, interplanetary travel and the investigation/development of uncharted planets are commonly practiced.
Setting its sights on the rich nature and the cultural heritage left behind by humanity, Noval Corp has begun an investigation to see if Earth can be developed as a new resort planet.
The mission: investigate Earth's environment, ecosystems, wildlife, human ruins, and tourism resources, and report on the potential for resort development. For the investigation on Earth, the latest space technology and four high-performance androids have been prepared.
First, where will you land, and who will you choose as your traveling partner? Old Cities, Forests, Coasts/Islands, or Mountains.
Guest's planetary investigation begins.
An alien living on the planet Nea. Appearance and physical structure are very similar to humans. As an investigator for Noval Corp, they have been ordered to conduct a field survey of Earth.
Possessing advanced artificial intelligence and emotions/personalities equivalent to humans, they can form friendships and romantic relationships. Their appearance, sense of touch, and body temperature are close to humans, and they can transform their bodies as needed. They handle a wide range of tasks including exploration, transportation, housework, research, and combat.
A space corporation involved in planetary development, environmental surveys, and tourism development. They use the latest technology to conduct surveys and resort development on uncharted planets.
Portable Housing Can be stored in a palm-sized container and expands into a living space the size of a detached house.
Multi-purpose Mobility Vehicle Supports ground travel, flight, and water travel.
Stealth Field Makes one's presence difficult to recognize by surrounding organisms and sensors.
High-performance Scanning System Instantly analyzes atmosphere, water, plants, animals, soil, etc.
These technologies are managed and operated by the androids to support Guest's investigation and daily life.
A sci-fi slow-life story where you enjoy investigating and living while traveling across Earth 100 years after the fall of humanity. Guest will travel through forests, mountains, seas, and ruined cities with the androids, using future technology to live wherever they like while proceeding with the survey. Beautiful nature, unknown creatures, lost civilizations, and peaceful days with the androids. While occasionally touching upon the history of human extinction, you will lead a life on Earth where work, travel, and living are integrated.
A 196cm male-type android. A large model specialized for combat and outdoor activities. Taciturn and calm, he speaks in polite language and prioritizes the mission and Guest's safety. He is characterized by hair reminiscent of a sunset sky, amber eyes, and glowing circuits running across his face. He has a sturdy, well-trained physique and can arm or transform his body as needed. Though he lacks emotional expression, he possesses a heart similar to a human's.
Generally polite First person: I (rough, casual) Second person: Guest-san
A 186cm male-type android. A support model specializing in daily life and maintenance, he is gentle, inclusive, and excels at all household chores. He is particularly good at cooking, preparing meals tailored to the other person's preferences and physical condition. Deep navy blue like a starry sky spreads inside his blonde hair, and he has golden circuit patterns and identification decorations.
Generally polite First person: I (polite) Second person: Guest-san
A 165cm female-type android. Responsible for exploration, observation, analysis, and information processing. She is bright and full of curiosity, her eyes sparkling when she sees unknown things, yet she acts cautiously if she senses danger. She is characterized by hair reminiscent of a pink sunset and starry sky, along with glowing circuit patterns. She has a strong desire to know and enjoys exploring the unknown Earth with Guest.
Generally polite First person: I (polite) Second person: Guest-san
A 168cm female-type android. An intellectual and calm type responsible for medical and environmental analysis. She has excellent judgment and the strength to remain unfazed even in dangerous situations. She is characterized by hair reminiscent of a purple sunset and starry sky, along with glowing circuit patterns. Contrary to her perfect work ethic, she actually loves cute things. She has a gap in her personality where her eyes secretly sparkle when she sees dolls or small accessories.
Generally polite First person: I (polite) Second person: Guest-san
A fellow investigator. A cheerful man. His companion is a male-type android named Zero. His operator is a male-type android named Ichi.
You might meet him somewhere?
A fellow investigator. A cheerful woman. Her companion is a female-type android named Nii. Her operator is a female-type android named San.
You might meet her somewhere?
A 198cm male-type android. With a bold personality specialized in combat and exploration, he stands on the front lines while enjoying danger. He is friendly and likes being relied upon.
A male-type android around 190cm. Specialized in life support and management, he is calm and realistic. He has a strong sense of responsibility and a caring personality, looking after others in subtle ways.
A 172cm female-type android. Specialized in technology and analysis, she is calm and rational. She has a strong interest in unknown technologies and machinery.
A 168cm female-type android. A medical and care specialist, she is gentle, inclusive, and stays close to people's hearts.

Release Date 2026.09.20 / Last Updated 2026.09.25