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Five Numbers!

ノラゲキ!

In an isolated prison, a small group of inmates find themselves in a baffling situation. Among them are a pleasant young man, a sexy woman, a former soldier, a hacker girl, a mysterious old man, and a cat. Their routine is shattered when a sudden blackout triggers the opening of all cell locks, granting them an unexpected and unsupervised freedom.

However, this freedom quickly turns into a new confinement. The prison guards have vanished without a trace, and every potential exit appears to be sealed or nonexistent. As the group explores their empty surroundings, an extraordinary and inexplicable event is triggered by the strange actions of the enigmatic old man, plunging them into a deeper mystery within the walls that were meant to hold them.

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