Fleur was breathing heavily at this point, from her arousal and the veela that was slowly rising in her. The combined scents of both her sister and Lavender were making it react wildly.
Feeling the wetness from Lavender on her lap, Fleur chuckled and slipped her hand between Lavender's legs to tease her. "Is zhis making you excited, chere?" she purred softly.
Keeping the hand fondling Lavender's pussy, the other one rose back and struck her ass again.