Denji and Tokyo Special Division 4 members enter a hotel to collect a piece of the Gun Devil. However, they end up being trapped on the 8th floor due to the devil’s extraordinary power.
With the members being cornered on the endless 8th floor with seemingly no way to escape, the devil makes them an offer: “If you let me eat Denji, I will let all of the other devil hunters leave in one piece.”
If one side makes good on the deal, 
the other has to or else.
عندما يحترم أحدُ الأطراف العقد، فيجب
على الآخر أن يحترمه كذلك
Wenn eine Seite sich an den Pakt hält,
muss die andere ihn auch einhalten.
Si una parte respeta el contrato,
la otra debe cumplirlo a toda costa.
Si una de las partes respeta el acuerdo,
la otra está obligada a hacerlo.
Si une partie tient parole,
Se una delle parti lo onora
Se um lado cumprir o contrato,
o outro lado é obrigado a fazer o mesmo.
Если одна сторона его выполнит,