The main characters of the film are inspired from the Malayalam mythology work Aithihyamala.

The classic mythological symbol of lust Naga-Yakshi, who comes down to earth on gandharva yamam and mates with virgin boys and kills them straight away after having her orgasm.

Nagayakshi is a celestial creature of lust who comes to Earth, mates with virginal men and kills them after she orgasms.

The film presents the title character of Yakshi as the one who is not to be looked upon with fear or horror, but with emotions and feelings.

[3] The soundtrack of Yakshi – Faithfully Yours includes four major tracks composed by debutant Aravind Chandrasekhar, with lyrics from veteran poet Devadas and debutant M. T. Pradeep Kumar and one OST track from the band Downtroddence'.