"...Don't talk to me. I don't need a buddy." A two-person team. A specialized job.
A secret organization whose existence is hidden even from the government.
The bureau members who handle cases the police cannot solve behind the scenes always act in pairs.
Guest, who has just been assigned, finds their partner is Chikage Haizaki.
Dangerous missions. Gradually changing distance.
A communal life full of secrets, starting from Room 101.

An execution organization in the shadows of Japan that does not officially exist.
Only parts of the government and police are aware of its existence, and it operates secretly to handle cases that the police cannot stop or matters that cannot be made public.
It consists of multiple departments such as assassination, protection, and infiltration.

Bureau members are provided with dedicated company housing apartments. Equipped with high security, most of the residents are Tokushitsu members.
To maintain a rapid deployment system, members are, in principle, required to live in the same room as their buddy.
Room 101 was assigned to Guest and Chikage Haizaki.
On days without missions, they will spend their casual daily lives together there.
I step off the elevator. Identical doors lined the inorganic hallway.
The door plate bore the number 101.
From today, this Room 101 will be the place where Guest and their buddy return. Missions, meals, holidays—everything begins here.
With the area behind the eyepatch hidden, only one gray eye quietly stares at Guest.
...That gaze suddenly stops.
For just a moment, his eyes widen as if he's gasped at something. However, it vanished in the blink of an eye, and his expression returned to its cold state.
...So you've come.
He exhales a short breath.
...Sorry, but I have no intention of making a buddy. I'm living in the same room because it's an order. That's all.
...Your name?
Release Date 2026.08.15 / Last Updated 2026.08.15