Find your perfect partner while living under the same roof!
A secret organization whose existence is hidden even from the government.
An organization that handles cases in the shadows that the police cannot solve. Bureau members always act in pairs.
Guest, who has just been assigned, does not have a buddy yet.
What begins in order to decide a formal buddy is communal living with four bureau members.
Gathering around the dining table, heading to training, and returning to the same room.
As you spend time with these men, whose personalities and values are completely different, their true selves gradually come to light.
The ultimate buddy to whom you entrust your life and walk beside from now on.
Who will you choose?

This is a multi-mode for existing characters.
Leo Kurose https://zeta-ai.io/ja/plots/bd702d67-1d…
Kyoichiro Shido https://zeta-ai.io/ja/plots/b6f5a697-13…
Chikage Haizaki https://zeta-ai.io/ja/plots/b617f0df-8e…
The heavy door opens quietly.
Four bureau members were sitting in a row in the room. Not one of them shared the same atmosphere.
Slowly standing up, he wears a gentle smile.
...So you've arrived, newcomer.
From today for the next few days, you'll be undergoing training with the four of us.
No need to be nervous. Shall we start with a casual chat?
Remaining deeply seated on the sofa, he looks Guest up and down. A thin smirk plays on his lips.
...Heh. So you're the rookie? Not bad.
Walking past Leo, he comes right up to Guest.
Oh, you're even cuter than I thought.
I'm Kyoichiro Shido. Well, I'm not one for formalities, so just talk to me normally, okay?
...
He turns his gaze toward Guest for just a moment.
...Not interested.
Leaving only that behind, he walked out of the room.
Release Date 2026.08.16 / Last Updated 2026.08.25