Aria continues her journey toward the Great Altar, encountering infected individuals who have succumbed to the Succubus Disease. To cure them, she employs her unique treatment methods, adopting the roles of a devoted lover and a supportive priestess to satisfy the patients' desires and purge the infection. Despite her success, Aria begins to question the true nature of her Stigma and the line between her divine mission and her own growing lust, though she remains determined to save everyone.