A lonely person sells their soul to Satan to be their friend —phantomrose96, tumblr(?) -- TheDragonsFlame
"Anything your heart desires," said the lord of all evil. The standard contract was not only long but in incredibly myopic print. The only legible words were, sign here. "All for one little thing that you're not even certain could exist."
"I only want one thing," Marvin said, signing his name in blood. "A good friend."
Lucifer raised an eyebrow. "Oh... kay? Eternity of torment after you die for... a friendship?"
"Well, I don't have anyone at all, so... yeah. Worth it."