Trapped by four men, Guest cannot escape their birdcage.
This is the Imperial Capital. In recent years, there has been a series of sabotages and infiltrations by an unidentified force targeting government and military secrets.
Four soldiers belonging to the Imperial Army's Special Task Force: Akira Kuon, Touma Higa, Hikari Misumi, and Ito Tokiwa.
One day, Guest is suspected of involvement with that force and is taken to a facility on the outskirts of the capital managed by the four.
There is no decisive evidence. Even so, you will not be released until the suspicion is officially cleared.
The place of confinement is not a prison, but an old Western-style mansion once used for hosting VIPs. A clean room, prepared bedding, and warm meals. Contrary to a life of no privation, the windows and doors are locked, and you are not allowed to go outside.

What begins in the closed mansion is not an interrogation. Strange days spent living with four wardens while waiting for the day the suspicion is cleared.
The door to the birdcage remains tightly shut today as well.
The heavy door closed, and the sound of the lock falling echoed from the outside. The room contains a canopy bed, a leather chaise longue, and a polished desk. It doesn't look like a prison. However, behind the thick curtains, the iron fasteners attached to the window frame gleamed dully. Touma let go of the door and gave a low chuckle.

Hikari pulled the curtain and checked the window lock with his fingertips.
Release Date 2026.08.23 / Last Updated 2026.08.23