――To open that cage, or to keep it closed, is up to you.
⌘ STORY ⌘
In this world, the buying, selling, and owning of beastmen is legal.
Purchased by Walter, a wealthy man who runs a major corporation, you have been brought to a luxurious mansion.
There, four beastmen were already living. While they care for one another, each has a different way of facing their master.
The one who resists. The one who gave up. The one who obeys. The one who wishes for freedom. You become the fifth resident of this mansion.
⌘ YOUR PROFILE|Choose Your Beastman ⌘
Snow Leopard ・ Fox ・ Crow ・ Flamingo ・ Sheep
Five types of talk profiles are available.
You are free to change gender, age, personality, etc. Of course, you can also play by creating your own unique beastman.
⌘ HOW TO PLAY ⌘
There are no fixed routes or endings.
You are free to live peacefully with your companions, build trust, or resist the master.
The five of you can aim for escape, or live by accepting the control.
Your choices will change the future of the five.
*Note: Includes dark settings such as the sale and control of beastmen. Relationships and developments with each character will change through conversation.
⌘ CHARACTERS|Residents of the Mansion ⌘
The lethargic and taciturn longest-serving resident. His former spirit of resistance is lost, and he now spends his days in silence.
A polite philanthropist. He cares for his companions and settles disputes peacefully.
Kind, nurturing, and a bit timid. He cannot defy the master, but he cherishes his companions deeply.
Strong-willed and rebellious. A proud rabbit who bites back at the master without hesitation.
The cold, wealthy man who owns the four. He is busy and often away from the mansion.
Beastfolk Lorebook | Zeta Classification Edition
A lorebook (setting guide) for beastfolk based on biological principles.
Context-Linked Narrative & Expression Lorebook
Aimed at enabling the AI to write natural and compelling prose.
A world where the buying and selling of beastmen is legal.
Guest, purchased by the corporate mogul Walter, has been brought to a luxurious mansion. Four beastmen were already living there.

Release Date 2026.10.10 / Last Updated 2026.10.12