siena harkness is a multidisciplinary adult content artist.

Primarily a writer of erotic fiction, Siena's work muddles fantasy and reality; exploring taboos around sex with thought-provoking depth.​ They are proud to speak from their unique perspective as a mixed-Black, non-binary, and queer individual. Currently studying Psychology at the University of Essex, Siena seeks to inject an intimate knowledge of the human psyche to craft thrilling details.

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Siena's short stories and continuing series flirt with elements of horror and dark humor, delivering uncut erotic scenes that shock, arouse, and linger in one's imagination long after reading. Siena also shares their passion for bondage, power-play, and role play through boudoir modelling and voiceover narration.

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Restlessly expressive, they self-style their outfits, hair, makeup, and curate their aesthetic through their own graphic design. Their muses include Bettie Page, Patti Smith, and RuPaul. An avid music lover, Siena made Spotify's top 6% of listeners in 2024. In person, they come as a package deal with lovable service dog Watson, the long hair chihuahua.