.Variations on a Theme I

More Disclaimer: I make no profit from this fic.
I tend to work with size-themed fiction, which includes overwhelming control issues and outrageous differences in scale. Such disparate sizes between partners is not for everyone, so be warned.
Any depictions of rape, or rape-like behavior, are only literary devices either for character development or justification for the eventual violent end for the rapist.
The variation involving the minor avoids sexual situations for the express purpose of not even suggesting such things are fun, even in jest.
The characters in this story are my own, and to the best of my knowledge any noted semblance to persons living or dead, or the works of other authors, is purely of the nature of coincidence.

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Thanks to the posters at Minimizer's forum for help, suggestions, and compliments.
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Note that additional chapters can be added by the readers. Feel free to post an additional branching of the story. If i like it, i'll edit the other part to lead to it. If i don't, i'll either suggest improvements or tell you why i'm going to delete it. Then you can fix it, or not.
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Variations on a Theme: The Opening

It was well after little Bobbi’s bedtime when Ms. Drake got back, so Sam had been watching TV in the living room for a few hours. She dropped her coat over a chair in the foyer, said “Hi!” to the babysitter as she went by, and went to the bedroom. 

After looking in on Bobbi, she came back out to where the teen was getting ready to go.

“Any problems?” she asked.

“None at all,” Sam replied, “Bobbi’s a great kid. Even since her father left, she hasn’t become a real brat like some of the kids I babysit.”

“No,” Ms. Drake smiled. “I’ve been very lucky in that respect. Well, I guess I’d better pay you.”  She walked past Sam again, headed towards the bedroom. “How much do I owe you?” she called over her shoulder. While the kid pointed out how many hours it’d been, and the usual rate, Bonnie used a key on her charm bracelet to open her wardrobe. Inside was a fancy looking ray gun in a leather holster and a few other items set aside for such occasions. 

She took out the gun, checked the settings, and stepped to the doorway. She aimed at the teenager who was turned away, turning off the television. Bonnie smiled and pulled the trigger. 

Variations within the theme (choose the chapter titled):

1) Samuel seemed to pop like a balloon. (F/m direction)

2) Samantha seemed to pop like a balloon. (F/f direction)

3) Sam noticed a small toy under the television and ducked down to pick it up. (Role reversal, no sex direction)

4) Samuel noticed a small toy under the television and ducked down to pick it up. (f/M, whoops, direction)

5) Samantha noticed a small toy under the television and ducked down to pick it up. (f/F, whoops, direction)