"Cows?"

You say that with clear uncertainty, looking to your twin for any kind of back up, and she can only offer you a wide eyed shrug.

"Alright!" your father says happily, and he waves you both over to the milking station area.

"Okay, have fun!" Betty says with a smile as she goes to tend to the chickens. Having apparently made your choice you and Jenny have little option but to follow your father behind the wall. He stands there in front of the line of cow butts, their tails slowly swaying, and pats one of them.

"So this is Milking Station A," he says, now gently rubbing the ass of the bent over cow he has his hand on. She moans lowly and wiggles.

"Why are you naked?" Jenny asks finally, sounding so utterly confused that she seems close to tears. You look to her but her eyes are sharp and clear and focused on your dad's raging hard on.

"Okay so I guess I kind of skipped a bit of the explanation," he replies, shrugging. He turns and with one hand starts to gently stroke the brown cow's exposed pussy lips. You realise that it's Pumpkin that he's molesting, a fully morphed cow with fine orange-brown fur and messy red hair on her head. "This is a fuck farm," he says, sliding a finger into Pumpkin's moist slit, her long legs parting. You pull your eyes away from the cow getting violated just long enough to glance at your sister who is equally mesmerised by what your father is doing. "You see, farm cows need sexual stimulation to produce the best milk. The most volume and nutrient rich milk comes from a well fucked cow."

You're both hearing what your father is saying and it's slow to sink in. You think back to that morning and the cold glass of milk you had with breakfast. You did love the milk your farm produced the most. It tasted better than when you had other random brands of milk in town. Was that really the reason? "Just look," says your father encouragingly, gesturing to the milking machines.

Intrigued, and feeling your hard on threatening to tear through your overalls, you walk over to look at the device currently connect to Pumpkin's breasts. Your sister leans in close, watching the cow's face and the clear suction cups on her teats. The milk was definitely coming out in bigger, fuller spurts than with the other cows who currently were not getting fingered.

"Mmmooo," says Pumpkin, breathlessly. She giggles at her own joke, eyes meeting your sister's. "It's true," she says, her voice silky and edged with her enjoyment. "If we cum while being milked we'll produce up to six times more....more...moooooooo.." she moos for real this time as her orgasm hit her, your father's fast handywork making the cow's tits jiggle. The machine whirrs as the increase in fluid pressure fills the tubes and you see the clear cups flooded with white milk. Pumpkin gasps, bucking in the window as her climax slowly fades and her breasts keep pumping. One of her big wet brown eyes open, those amazingly long eyelashes fluttering at your sister. The cow cranes her neck over and plants a kiss on Jenny's surprised lips. She moans into Pumpkins mouth then holds onto her slightly elongated snout, caressing the bovine's chin as she finds herself returning the kiss. When they break they both gasp for air, Jenny stumbling backwards, unsteady on her feet. You catch her as she bumps into you, her butt hitting your erection through your clothes.

She notices it and turns to you in surprise. You see her chin dripping with Pumpkin's thick drool and your cock throbs. Her breathing is heavy, chest heaving, and she looks at up at you with an almost glassy eyed gaze.

"You.. need to try that," she says breathlessly, licking her lips. Suddenly she leans into you and her body is up against your hardness again. Pumpkin's hand is on Jenny's butt and she pushed your sister into you.

"Kiss her," the cow says, eyeing your both hungrily. "I like watching." She starts to massage her own breasts as she looks to you and your sister pressed up against each other. Seeing the glistening spit on the corners of your twin's mouth is making your mouth water, and you note that she hasn't pulled away from you despite the very obvious erection sandwiched between you two.

"Kiss me," she sighs, almost too quietly to hear, but you hear it, and you lean in. You lick the corner of your sister's mouth, tasting Pumpkin's oddly sweet spit. It's seems sugary in fact, but before you can think more on that your sister presses her mouth into yours, lips parting. You taste her tongue and she moans into your mouth, the mixture of your sister and Pumpkin's saliva intoxicating. You're both dizzy from all of this confusingly arousing activity, but you do have a diamond sharp thought in your head about how much you love your sister.

"Yesss," Pumpkin sighs, staring at you. "Mmm... and your father is fucking me now." At that you and your sister break from your passionate embrace, though she still holds herself to your erection and seems to be gently trying to rub up on it. You look behind the wall and your dad is indeed balls deep inside the cow, giving you a thumbs up as he pounds her. "Uhnn! Uhhn..! Mooo!" cries Pumpkin as she cums again, and you're amazed by how easily she seems to climax and wonder if that's just the way all cows are. Speaking of the other cows, the three other unattended to cattle are getting restless and watch Pumpkin enviously, wiggling in their windows.

"Well it seems like you're getting into it," says your father, apparently unconcerned that his kids had just passionately made out in front of him. "Strip down and get to working. Fuck or finger a cow. Make sure she cums. We're burning daylight out here."