That earns a laugh, a harsh crack of it, as repulsive and unwanted as the rest of them. They laugh, because that is simply what demons do, what creatures like them do, sinking to deriving a wretched amusement from the suffering and pain of others. What other reason would a thing like them have to laugh? What else and for what other reason would they possibly laugh?

Two humans standing on the edge of the cauldron to hell. Are they contemplating a double-suicide?

Their LOVE will end in Hell.

And still, they could not stop laughing.

"Rest assured, Mr. Shiro," they say, coldly, almost breathless from that burst of mirth - almost, but not quite, "creatures like me have no need of your services."