While Rain's fingers were enjoying the inviting warmth of her tight pussy, a soft voice came out of Liana's mouth.
"She doesn't need to know that, because this is my side... only for you."
The intonation with which she said it made his beastly appetite soar. With a flame shooting up from within him, he asked.
"Shall we continue where we left off?"
Liana didn't answer and looked at his throbbing cock before she shifted her gaze to the door with a strange emotion, as if to say 'our sister is waiting there'.
Indeed, if one listened closely, one could hear monotonous footsteps outside the door.
But Rain didn't pay much attention to it.
"I'm not satisfied yet. You're not going to leave me like this, are you?"
Feigning reproach, he glanced at her, but soon returned to his sly grin.
"Especially since you seem to want more too..."