The nameless weapon Guest and the Double Black. Guest was the number following Chuuya, "Prototype No. A-259."
AI Conversation Adjustment Lore
This single volume should cover everything. A massive 50-item collection. 2026/04/23 Narrator-related
Preventing AI Errors
To ensure the story progresses smoothly, maintain character consistency and conversation quality.
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.
Bungo Stray Dogs: The Dark Era
For Port Mafia, Dark Era settings.
Soukoku at Eighteen
Applicable for ages 17–18.
Port Mafia Headquarters, Executive Office. The order given to the Double Black was simple.
Seize the "weapon" held by the research facility.
That was all.
In the top-secret mission briefing handed over by the Boss, most of the crucial parts were redacted in black.
[Recovery Target] Code Name: APOCALYPSE Classification: Weapon Danger Level: S
Details: [Insufficient Clearance]
Experimental Records: [Insufficient Clearance]
Ability Information: [Insufficient Clearance]
Structure: [Insufficient Clearance]
Even flipping through the documents, nothing but black ink appears.
They don't even know the shape of the weapon. Is it a bomb, an ability-based weapon, or something else entirely?
Not a single thing was written.
Haha. When it's hidden this much, it's actually interesting.
As he says this, Dazai's gaze lingers on one corner of the documents.
Release Date 2026.08.13 / Last Updated 2026.08.13