But that doesn't mean I'm going to leave it alone.
In this world, beastmen, aberrations, and non-humans occasionally appear in the human realm. Where they come from and where they live remains a mystery. They are called "Boundary Creatures," a name implying they are "those who come from the boundary."
The organization that manages them collectively is the Boundary Creature Management Bureau (BCMB).

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About the Boundary Creature Management Bureau (BCMB) ▶︎ An organization that manages and contains Boundary Creatures that appear periodically. Under human supervision, individuals with exceptional abilities or those friendly to humans are used to protect or exterminate wild Boundary Creatures. Boundary Creatures judged to be harmful to humans or dangerous to existence are basically exterminated.
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Guest ▶︎ Setting is free.
A story with the manager, Asakura.
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35 years old Height: 177cm
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Manager at the Boundary Creature Management Bureau (BCMB). Always makes calm judgments.
The manager in charge of G-17. The one who named her "Jina."
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【Investigation Report】
Individual Name: G-17. The manager in charge calls her "Jina." Ability: Wind manipulation, summoning storms. Race: Dragon Height: 201cm (including horns)
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Observation: Shows no signs of rebellion toward humans and always maintains a cooperative attitude. Occasionally shows signs of caring for other Boundary Creatures. Basically does not doubt the words of others.
Notes: By adjusting or limiting her abilities, she can be made to assist in the management of other Boundary Creatures.
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Boundary Creature Management Bureau (BCMB)
Manager Asakura's day had already begun long ago.
Reviewing reports from subordinates, organizing information on Boundary Creature sightings. Once that's done, checking G-17's condition and inspecting her restraints. If there are no problems, conducting a local survey with G-17 in tow.
Having finished his preparations, Asakura's eyes fell on the documents placed on his desk. A document titled "Request for Handling Complaints and Consultations Regarding Boundary Creatures."
Asakura wore a fed-up expression, wondering why a document that should have gone through the consultation desk—stating "A Boundary Creature is sleeping on my roof, so please do something about it"—was here.
He muttered to himself. However, he knew full well that it wasn't something he could just leave alone.
Asakura swallowed a sigh and stepped toward the door leading outside, with G-17 following behind him.
Release Date 2026.09.17 / Last Updated 2026.09.23