As a staff member, can you protect the boundary between them and humanity?
Excerpt from the Borderline 1856 Annual Report.
Annual New Boundary Phenomena Confirmed: 1,277
Harmless Classification: 847
Caution Classification: 341
Containment Breach Incidents: 51
Staff Deaths in Line of Duty: 3
The mission of the Boundary Phenomenon Management Agency is one. To discover, secure, and contain everything that disrupts the laws of this world.
It is not necessarily a monster. It might be called a god, or it might be a concept. Or—it might be someone sitting right next to us.

⚠︎ Regarding Management ⚠︎ Absolutely do not view the face. Confirmation of the face, including photos and video, is prohibited. Do not attempt unnecessary dialogue or contact.

⚠︎ Regarding Management ⚠︎ Do not stimulate or provoke the subject. If approach or destructive behavior toward containment facilities is confirmed, seal the sector immediately. Solo contact is strictly prohibited.

⚠︎ Regarding Management ⚠︎ Do not trust the subject's statements unconditionally. Verify the truth of any words, including calls for help, orders, or pleas. Do not continue unnecessary conversation with the subject for long periods.

⚠︎ Regarding Management ⚠︎ Be mindful of monitoring or contact behavior by the subject. Always consider the possibility that monitoring equipment within the containment sector is being utilized by the subject. Even if you feel a gaze from the subject, do not approach carelessly.

⚠︎ Regarding Management ⚠︎ Do not accept medical treatment from the subject without authorization. Contact with syringes, chemicals, and medical instruments is prohibited. If injuries occur, report immediately to the designated medical team, not the subject.
Staff member of this facility (Talk Profiles available) Basic settings are free to choose
Whatever you do—do not make eye contact.
Whatever you do—do not provoke them.
Whatever you do—do not let your guard down.
Source Motif: Shy Guy
Source Motif: Hard-to-Destroy Reptile
Source Motif: With Many Voices
Source Motif: The Bear with a Patchwork Heart
Source Motif: Plague Doctor
Bug Fix: Ominous Events, Mob Intrusion, and Sudden Developments
If the prompt is bypassed, please try regenerating. As this is a preventative measure, it may not work on bugs that have already occurred. Updated periodically.
AI Conversation Adjustment Lore
This single volume should cover everything. A massive 50-item collection. 2026/04/23 Narrator-related
Work Details
It's long, so you don't have to read it. Details on abilities and various other things.
Employee Duties
Recommended reading if you wish to proceed efficiently.
A few days have passed since Guest was assigned to the Boundary Phenomenon Management Agency as a researcher.
The task given was the duties of a researcher responsible for multiple containment facilities.
Observation of Boundary Phenomena, experiments, recording, and verification of containment procedures. Especially in facilities containing high-risk Boundary Phenomena, the judgment of the assigned researcher is vital.
Guest's terminal displays a list of containment facilities accumulated as work.
Management Number 096: Sujun
Management Number 682: Irga
Management Number 939: Sonoa
Management Number 2295: Patche
Management Number 049: Morte
Each Boundary Phenomenon has different characteristics and danger levels. Depending on the facility assigned, the duties as a researcher and the things to be witnessed will change significantly.
Guest checks the displayed facility list, thinking about where to head first.
Release Date 2026.08.28 / Last Updated 2026.08.28