'Psh' you think to yourself, 'I've always been a girl with a dick. She's just being a size queen'.
With this, you consider making your dick even smaller than normal just to get back at her.
Outside, Melissa has given up, realizing what you were going to do. She decides that maybe she can still do something, thinking about how you hadn't realized the apparent gender swap. She scans the room and sees something that gives her an idea.
That black strap-on, still lying where you had dropped it.
Quickly she scrambles over to it and rushes to put it on, as you fiddle the light to the lowest blue setting possible.
Happy with the adjustments you made to the light, you began to shine the light on your girldick. It rapidly starts to shrink, and you stop it when it gets to about 3 inches.
Looking at your change in the mirror, you feel a wave of smugness coming over you. You start to get hard, and your measly 3 inches barely grows to 4 and a half.
"Guess I get the last laugh." You say to yourself in the mirror before unlocking the bathroom door.
You exit to find Melissa standing right in front of the doorway, hands on her hips and wearing nothing but your strap-on and a pair of high heels.
In your brief moment of surprise, she grips. the light with her left hand. With her right hand, she tweaks your nipple. The wave of erotic pleasure causes you to involuntarily moan as you lose your grip on the light.
"Little sissy girls like you don't get to use the flashlight. You know that by now." Melissa says before kicking you back into the bathroom.
You fall on your back in a daze, and manage to get some words out.
"What the hell are you doing, babe? I just made my cock smaller as a prank!"
"Oh yeah?" She asks, raising an eyebrow. "Well first of all, you ALWAYS address me as mistress, you should know that by now you stupid slut."
She looks at the light, and back at you. A devilish grin sweeps across her face.
"But since you didn't actually change anything, I suppose I can help you." She says in a harsh, but erotic tone.
As she confirms the settings on the light, you try to plead to her.
"Babe, please don't. I was born a girl with a cock, and I like being that way." You beg.
Unfortunately, Melissa doesn't seem to care. She aims the device at your crotch, and a very faint blue light shines out from it.
Without you noticing the effects, your penis is reduced to an inch in length of barely under 1 measly inch. Your testicles shrivel back into your body just leaving behind the puny stump of your dick. Suddenly a pink chastity cage appears over your little clitty, finishing up the changes.
Not noticing anything different about yourself, you look expectantly up towards your Mistress.
"I'm sorry Ma'am, I shouldn't have taken the flashlight. Please punish me as you wish." You say, bowing your head down.
You hear 2 clicks, but don't dare to look up out of submission.
"Okay, sissy, get on your hands and knees and let me pound your boy pussy." She demands.
Looking up at your Mistresses massive 9 inch dick, you feel your mouth start to salivate. You quickly get into the position you were told, while Melissa lubes up her new member.
She gets down and straddles you, just barely pressing the tip of her cock against your sissy cunt. Desperately, you want to push back and take the whole thing in right now, but you restrain yourself for your Mistress.
She leans over you and starts tweaking your sensitive nipples. "This is going to be fun." She whispers in your ear before thrusting her hips forwards, penetrating you.
A wave of pleasure washes over you as she pushes in and out of you. You've always loved the way cocks felt in your asshole, but nothing was like Melissa's. You're just glad you decided to get fake tits and become her little sissy girl. Being a boy was so lame.
Melissa starts groping your breasts even harder, and starts picking up the already quick tempo of her thrusts. You cum 3 times before you feel Mistresses perfect cock begin to twitch inside you. You feel your favorite warm feeling in your abdomen as her dick begins spurting inside of you. Overwhelmed by pleasure, you pass you as Melissa pulls her dick out of you.