This is the comic where Afiliciel was first designed. She's the perfect example of how demons in my Hell universe evolve the more resources they pull from their contracts. Anyways, Storytime:
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A newly born demon gets her first taste of human tears and becomes obsessed. She rushes when the chance to come above presents itself, and the first human she runs into is a small boy-servant, sobbing from being recently beaten by his young master. He tries to flee from her at first, but trips on the rug and hits his head. Offended, she creeps closer to kill the boy, only to get a close up view of his crying eyes.

They fascinate her.

She spares him his life, and instead probes with more questions.

He’s shaking, but he’s not answering.

She’s getting annoyed again.

He points to his throat and she realizes something isn’t right.

It seems he’s mute.

She decides to be merciful again, opting to leave now that she was bored, but hesitates, remembering what she came for. She kneels close and licks a tear from his cheek, struck by the flavor’s augmented taste straight from the source. She’s hooked.

He continues to shiver and stare as she values her options. Still a child herself, her first thought is to simply take his eyes and squeeze the tears out. But she recognizes it would be a temporary, wasteful fix. She considers doing it anyways, surely she could find more crying humans and continue her ventures. She takes his face between her claws, his tears never ceasing. He was a fountain. But his eye contact never broke. She pressed her forehead to his, mesmerized by his brown pupils.

…. they were too pretty to damage.

With a sigh, she remembers something another demon mentioned in passing before she left. Contracts. She doesn’t know all the ins and outs of her abilities, but she’s sure she could make one with this human.

She smiles and asks him, “Would this one like a voice? I think I know of a way to get one…”

And it begins.