Grace bargains

"Let Sally go!" Grace suddenly blurted, her eyes darting at him. "This was all my idea anyways, not hers."

"That may be true, young lady, but your sister was standing right next to you writing when I came through that door." He pointed to the bed and Sally slowly started to turn, her chin quivering, but Grace stepped forward and grabbed his arm, pressing her small firm tits against it as she clung to him.

"Please. Let her go and I'll give you a hand job. I give good ones!" Sally's eyes widen in surprise at her sister's brazen words, her mouth dropping open in shock.

"No deal, Miss Mathewson," Mr. Carter said firmly as he pulled her off his arm. "You and your sister are going to have to deal with the consequences of your vandalism."

"Wait!" Grace tried again, "A blow-job! I'll suck your cock Mr. Carter, you can come in my mouth. Or on my face." A look of disgust crosses Sally's face; no matter how this turns out, the relationship between the sisters is going to change. "Please Mr. Carter, I'll do anything you want, just keep Sally out of this."

He looked at the tender young redhead, taking in her slender girlish body and her small conical breasts tipped with stiff brown nipples. She could see the hunger in his face, and she felt a flush of pride that she was having such an effect on him.

"Very well," he agreed with hoarse growl. "Get on your knees."

Grace nodded acceptance, then turned her head to look at her sister who was still staring at her in shock. "Get out of here Sally. Put your shirt on and get out of here," she orders quietly. Sally look as her sister with horror and disgust and bent to pick up her shirt.

"Leave it there," Mr. Carter growled at Sally before turning his attention back to Grace. "She stays. She can watch you save her from punishment." He obviously savoured the look of shock and dismay on Grace's face.

"No! Let her go! You promised!" she protested.

"I promised to keep her out of punishment. That's all. Now get on your knees before I change my mind," he growls, then looks at Sally who stands timidly, covering her small sweet breasts with one arm, looking at him with wide eyed dismay. "Sit on the bed and watch what your sister is willing to do for you."