Story
＂Welcome, to Quindecim＂

What greeted the two unknowing guests was,
the mysterious BAR 'Quindecim' and the white-haired bartender, 'Decim'.
＂The two of you will now play a game with your lives on the line＂
His words are an invitation to a death game.
Soon, the true nature of the customers is laid bare.
At the end of the game, Decim reveals himself as the 'arbiter'.
What is the arbiter Decim's ruling on the two customers....