​Yuko, seeking escape from her abusive ex-boyfriend Taki, finds solace in her best friend and lover Ayano. In a steamy shower encounter, Ayano uses her tongue to provide comfort to Yuko’s troubled mind and tantalizing body. Meanwhile, Ayano embarks on a new research project involving an ancient scroll, a mummified body part, and a mysterious dagger. Yuko offers her assistance by conducting a biological analysis on the mummified fragment. However, their troubles intensify as Taki resurfaces and commits a heinous act, resulting in the resurrection of a terrifying Lust-demon. Facing horror and mystery, this captivating tale entwines red-hot passion and nightmarish imagery, offering an irresistible feast for the senses.​