Having her holes filled to the limit

"Let´s continue your training Slut." Mistress says, rising up and pulling Elsa along by her hair. Elsa whimpered already, she knew what this meant. She would be strapped down while Mistress filled her pussy, ass and mouth to the limit. She knew this was part of her becoming a better Slut for Mistress, but she still wasn´t looking forward to it.

Mistress led her into her playroom and to the paddling bench. Elsa was strapped over it as if she was going to be fucked doggy style. Mistress placed a large mirror so that Elsa could see herself being stretched to the limit. Mistress comes up behind her, her hands covered in lube. She starts to caress Elsa´s pussy and asshole and despite the imminent session, Elsa can´t help but get aroused. Mistress knows her weak points so well now.

Mistress pulls back her hands, and Elsa feels the first of the many plugs pushing against her pussy. She gently eases it in, then another almost as big up her ass. Mistress comes around to her front, carrying a large rubber cock. She crouched down in front of Elsas pleading face and grabbed her face, making it clear that she was to open her mouth. Elsa obeyed, and was rewarded with a short but thick rubber cock in her mouth. Mistress started working it in and out, cooing gently as she did so.

After a while she pulled out the plugs and filled Elsa with new, bigger ones. After over an hour she had finally reached her favourites, and Elsas least favourites. they looked as if they had been taken out of a 3D porn movie with their obscene sizes. But they were all going into Elsa, because Mistress wanted to...