壁水羽

The story starts with a mysterious murder and will uncover the greatest secret hidden in the whole universe step by step – from horrendous conspiracies to galactic wars; and from anti-human betrayal to great sacrifice. Humans have never understood how backward and weak they are, but they'll still make a final fight for their own destiny.

I thought it was just an ordinary escape room, but who knew it was the beginning of a nightmare.