Sian's

Aaron followed the Incubi's gaze as he witnessed the newly demonised Sian emerge from their apartment further down the corridor. Despite the situation, Aaron could feel his cock hardening at the sight of the former wallflower-turned-demonic harlot. Sian's predatory lips curled into a knowing grin as she parted them to release her pitch serpentine tongue and lap at the humid air.

Liam snarled as he felt his sister's taloned hand lightly clench his shaft as she began to lightly massage it. Drops of tar-like cum began oozing out from the tip as both demons' slit eyes bore down at the prey before them. Sian purred lustfully as she placed a series of light sensual kisses on the nape of her brother's neck, eliciting a chorus of pleasurable groans from his fanged maw.

Aaron felt unable to move as he became enthralled with the incestuous demonic make-out session occurring before him. Sian giggled as she felt Liam's taloned hand clasp her neck before he wrenched her down to the floor. An animalistic yowl fell from her lips as she instinctively wrapped her tongue around his steeley member before pulling it between her plump onyx cocksuckers.

"That's it bitch, time to put that mouth of yours to good use", Liam roared.

Slowly Aaron stepped back away from the enraptured pair and through the ruined door of his apartment...