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First Change

His chin started to darken, turning a dark red before facial hair nearly exploded out of it. both sides of his upper lip darkened as well before strands of a split mustache grew out.

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One of Those Nights

Clacking together, my jaws gnash at the air as my teeth stretch out and my lips darken and thin as i rub my lengthening tongue over my sharpening canines.

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Late Night Encounter

As the moments passed, the shaft darkened even more, taking on a rich black color that contrasted with the rest of his body.

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INK

The flesh darkened, turning from tan to brown and then a grayish tone, stretching out like a sail as the bones shifted.

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FratRats 3: Found My Ratling

His teeth going buck as they yellowed, and a growing, slimy tongue licked up the vile cum from his darkened lips.

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Whispering Twins (Part 29)

Her ears darkened, noticing a rather firm bulge on his crotch. her nose turned away, eyes darting around to see if anyone had watched her eye her brothers crotch.

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Z-Fuel

As he swallowed down the drink, his ivory fingernails began to darken, turning to tan, gray, and then black. likewise, in contrast to his light hair, darker stubble began to sprout along his fair, perfect chin.

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Despoiling the Dragoness

The corruption of erebos’ essence darkening her scales more and more. in the massive libraries of her home, she had read of dread spirits like this one.

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Confessions of Intimacy

"is something wrong janet, i thought you would find it more comforting if i acted more like a normal dog for you," darken stated hopeful that he had done good.

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Hyena Heat

Thankfully for him, it turned out the position was also perfect for grinding the sensitive, darkening head of his dribbling dick against his rough paw pads.

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Bred by Her Cousin

Little did she know how sensitive the stallion was, no longer in the throes of an _exceptionally_ good dream, as his eyes snapped open, teetering on the point of climax as he thrashed about, fighting to come to his senses in the darkened room.

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Hyaenidae Ursidae Fraternitae

The flesh had darkened along the heel, the arch and the toe tips, swelling ever so slightly on the big toe. the paw pads were trying to come in, and rico had to help.

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