Birthday treat

He was in bed, naked and aroused; his wife was kneeling between his legs and had his cock between her lips. Smiling, she looked up at him and winked as she worked her tongue over his glans.
"When you're ready, say the magic word Daddy."
His daughter was standing on a chair at the foot of the bed, hands tied behind her back, her eight-year-old naked body trembling with excitement, the noose around her neck tied tight. She chewed on her lower lip and nodded as her expectant gaze met his.
A smile formed on his features.
"Jump."