Check in on Melanie first.

Feeling like I hadn't seen Melanie all day, I headed up to her room to check on her. I was about to knock when I heard what I thought was Melanie's voice, but a little deeper and rougher than usual.

"You're a dirty fucking whore."

Then her usual voice. "Please, I don't want-"

She cut off, and I heard vague sounds like gagging, and I got tired of eavesdropping. Turning the knob, I pushed open the door.

Dressed in light shorts and a tank top, Melanie was kneeling beside a large dildo on her bed. One hand was wrapped around its base to keep it upright, her other hand was tangled in her own hair, seemingly pushing her head down onto the rubber cock.

She didn't notice me come in, apparently too absorbed in what she was doing, which I could only assume was some kind of roleplay acting out a **** blowjob.

I watched her for a few seconds in stunned silence before realizing she was deepthroating that thing like she was a pro. I was genuinely impressed. My girl had no gag reflex at all, and she swallowed that dildo whole, over and over again.

Despite the two rounds with my wife, I felt a stirring as I watched her. Judy had always struggled with deepthroating, and I was too big for her to take easily. I'd often wondered what such a talent would feel like.

I returned to my senses and realized I was ogling my oldest daughter like a creep when I should be taking action. I pulled out my phone and silenced the system sounds so it didn't alert her when I snapped a few pictures and started a video. Propping it up on a small table by the door so it could film what would happen next, I cleared my throat, causing her to freeze in horror. "What the hell do you think you're doing?"

She popped off of the dildo and turned to stare at me, eyes wide. "Dad?! Wha- why are you-"

I was riding a dominance high. I had purchased a Russian ****, my wife was eating out of the palm of my hand, and my youngest daughter was taking her first steps into total sexual submission. And I agreed with Judy that I was spoiling the girls. I had spared Melanie even the slightest scrutiny ever since the boat and she had the audacity to be some kind of secret **** fetish slut, right under my nose. In my house.

I stomped forward and grabbed a handful of Melanie's hair, right where her own hand had been, and twisted her head back down to the dildo, which I wrenched from her hand.

"You dirty fucking whore." I snarled.

She gasped as I shoved her back down, forcing the dildo into her mouth and really giving it to her. She gagged and choked on it, pushing against the bed to try to lift her head to no avail.

I let her up to breathe and saw her eyes watering as she coughed up a mess of sloppy fluid. "Dad, Dad, sto-"

I pushed her back down, cutting off her pleas with more rubber dick in her throat. I was amazed how well she took it. The bulge was clearly visible as it penetrated her deeply. It really turned me on to watch it slide so easily into her tight throat.

I pushed her hard, fucking her roughly with the toy. "You ungrateful bitch. Take it. You whore."

Her struggles gradually lessened until she just gave up, letting me do as I pleased. I pulled her off of the dildo with a wet slurp and she looked up at me with a helpless look of shame and arousal.

"Dad... I'm sorry..."

I slapped her and she gasped, but otherwise offered no response. "Fucking whore." My cock was rock hard as I stared down at my oldest daughter. She seemed **** for me to take over. To fuck her, punish her, anything. She just needed me.

Tears spilled from her eyes. "I'm sorry..."

I didn't know if she was sorry for hiding her behavior, or for being a whore, or for something else entirely. Clearly she harbored deep shame as well as **** lust. That **** on the boat had left an impression, and she'd had no proper outlet this entire time. Well, it was time that changed.