What Should We Do?

Twilight anxiously waited near the door while waiting for Rainbow Dash to come over. She'd already made her father a lovely breakfast and given him his card, and was currently waiting on her best friend so that they could get each other ready for their respective fathers. A sudden knock on the door jolted her out of her musing, which she immediately reacted to by opening the door. "I thought you were going to call before you left?" Twilight asked, mildly confused.

Rainbow gave her an apologetic look. "Sorry, sorry, I'm nervous enough about this that I forgot and just came over. I did bring my trench coat at least." She held up the heavy canvas jacket. "You don't mind if I leave my clothes here, right?" she asked softly.

Twilight shook her head. "We can leave them in my room. Now come on, I've already got the rope set up and I need you wearing the collar before I can cast the spells on it." She gently pulled at the pegasus's arm to get her to go to her room. "Dad already knows you're over here to help me finish up a father's day gift, though that's it."

Rainbow followed her pegicorn friend to her room. "Glad you were able to keep that secret, you're kind of terrible at keeping them." She closed the door behind her. "Now then, rope or collar first?

Twilight was already stripping off her clothes. "Neither, strip first. I don't want anything getting in the way." Her shirt landed in a pile, which was soon joined by her shorts and slightly damp panties. Rainbow's clothes soon found their way into a similar pile.

"Alright, I'll set up your rope first, and then I'll guide you through the process." Twilight said as she hung the middle of a long section of rope behind her neck.

"Ok Egghead, sure, but how do you know what to do? You've never been interested in this stuff before." Rainbow held her wings and arms out wide, figuring that Twilight would want to keep them from getting in the way.

Twilight's face reddened through her lavender fur. "Lonely nights looking through the ponyweb for different kinds of porn. The bondage stuff stuck out to me, and I paid attention to a few tutorials for if I ever go the chance to be tied up or tie someone up." She quickly tied three evenly spaced knots between Rainbow's breasts before bringing both ends of the rope through her legs, up her back and back through the loop around the back of her neck.

Rainbow let out a nervous chuckle. "That's kinkier than I thought you'd go for, Twilight." She watched as the two ropes were wound through the top hole, pulling the rope on her chest into a diamond shape.

Twilight wound both rope ends around the rope going up her back, and back through the second hole. "Says the mare that's joining me in the plan to seduce our fathers. How is that any less kinky than enjoying bondage?" She wound the rope through the back again, and then finally tied it off below the third knot.

Rainbow shrugged before starting on helping Twilight with her rope. "That's... that's a good point." She copied Twilight's set of knots fairly well, only needing a little bit of help getting the rope gently cinched around the nerdy mare. "So how are you doing the collars? Do I need to put mine on before or after you enchant them?"

"You need to put it on now, and cover it up as soon as I'm done. I know you want your dad, not mine. Keep your trench coat's collar popped to make sure the D-ring doesn't get seen by any guys out there. I'm sure my neighbor Spike would enjoy the spells I'm putting on these, but let's not ruin what we're planning."

Rainbow took her simple black leather collar and cinched it into place, leaving it laying on her skin but not too tight. "Tell me again what all spells you're putting on these?"

Twilight sighed while putting on her own collar. "So I'm putting on a modified 'Want it Need it' spell that I'm calling 'Need it, Fuck it, Possess it!' on the collar, along with a spell to enhance stamina, cum volume, cum taste and reduce the refractory period to nil." She finished putting on the collar and took in her quite beautiful friend with a smile. "I know you don't pay attention to my magical stuff often, but would if have killed you to pay attention for this?"

"I pay attention! Sometimes." Rainbow protested. "I just, wanted to check my memory." She gave Twilight an innocent look. Twilight rolled her eyes, fired up her horn, and began layering the spells on the collar. The outermost layer needed to be the first to hit the target, while the progressively inner spells would hit afterwards. In terms of order, only the 'Want it, Need it' variation mattered, so she went with refractory, volume, taste, stamina and finally the 'need it' spell.

"Right, Rainbow, your collar is ready. Good luck, and may Luna bless you." Twilight started the process of her own collar.

Rainbow nodded, repeating Twilight's words back to her before leaving.

-

"Dad, I've got your present ready, I'm in your room!" Twilight called anxiously as she mentally went over her plan. 'Let the spell hit him, have a wonderful time with him, then ask for us to be together after we're done. My desire spell should wear off quickly enough that he won't feel violated, but his reservations should still be gone.'

Night Light's heavy footfalls echoed as he came back towards the master bedroom. "Twi, why are you giving me your father's day gift in my room? It feels a little-" He opened the door fully, eyes blinking as the collar went off. Multiple purple-tinged bolts of energy emerged from the collar's ring, four of the five spells impacting his body, while the fifth was seemingly stopped a few inches from his head. His eyes narrowed, his jaw clenched, and his horn started to glow.

Twilight looked at her father with a mixture of fear and lust in her eyes, unsure of what that expression meant, but excited by it all the same. "H-h-happy F-f-father's D-d-day Daddy!" she managed to stutter out at his expression. "I-I-I'm your g-g-gift."

Night Light looked up and down her shibari-accentuated body. "I can see that. I can also tell that you used your old desire spell on me." He strode up to the pegicorn, grabbed her by the ring of her collar, and pulled her into a passionate kiss. "It didn't work as well as you would've liked." A cloud of yellow magic engulfed her clit and pussy, leaving the latter wet while a steady glow surrounded the former.

Twilight immediately staggered, the vibrating magic attacking one of her most sensitive places overwhelming her mind. "What did you d-dooooo?" A pleasurable shudder tore her first orgasmic screams from her of the day as the magical vibrator covering her clit caused her to climax.

"Made you ready for me to claim you, you manipulative little cunt!" He sent out a second spell, turning the ropes that merely accentuated Twilight's body to restraining it. Her arms were tied behind her back, her legs spread wide while her feet sat flush with her ass. Her entire body hung from the ceiling in a surprisingly comfortable manner, but escape from her bondage was a fantasy she wasn't about to start entertaining. When her eyes regained focus after being shifted by the spell, she noticed that her father was now naked, angry-looking erection bobbing in her view.

Night stalked behind his daughter and placed the flat tip of his cock against her weeping sex, stroking the massive pillar up and down her slick slit. "Thank you for the father's day gift" he said with a lusty sneer as his now lubed cock slid into his daughter's pussy. Uncaring of her or her pleasure, he took his own from her body immediately. With determined, almost angry energy, he grabbed hold of her suspended hips and started to ram himself into her body.

Twilight's mind raced as it fought against the rising tide of pain and pleasure overwhelming her body. 'How did my 'Need it, Fuck it' spell fail? He should be only fucking me, not taunting me or tying me up!' She winced then cooed in pleasure as a harsh thrust that had punched her cervix also rubbed her g-spot as it withdrew. 'Not that I'm minding all that much. He feels so good like this!' She tried to clamp down on his cock while he was withdrawing, wanting to participate somehow, not merely be a set of holes for her father to abuse.

A smile appeared on Night Light's face as he continued. "Somebody likes the rough stuff, does she?" He gave her ass a slap before continuing to rut her body. "In a way, I'm not surprised. Nerdy mares like you seem to prefer the rough and dirty stuff." His eyes flashed before he continued. "After all, you tried to mind control me, your own father, into fucking your perverted ass!" He gave her ass a second slap to punctuate his words.

Twilight let out an orgasmic wail before trying to reply. "B-b-but at least you're s-s-s-still fucking meeeeeee!" Purple sparks emerged from her horn while she squirted all over her father's cock, soaking his pelvis and legs with her fluids. As she sagged forward in brief exhaustion from her first cock-inspired orgasm, a second unexpectedly followed as the feel of her quim being filled by a burning hot fluid sent her over the edge again.

Night let out a sigh of pleasure before he taunted his daughter-shaped onahole. "Thanks for taking the edge off, slut. I recognized a few of those spells, and I generally don't need them, so you might come to regret what you did." With a grunt, he resumed pummeling her plump pussy with a raging passion.

-

Five hours later, and a sore, exhausted and cum-covered Twilight looked up at her Father, bewildered but full of love and lust. He'd blasted inside her pussy several times, doused her taste buds with a huge load, and had even taken her anal virginity! As it was, she was on her last legs. "So, uh, Daddy, could we stop for the day? I don't think I could take any more of what you're giving me."

Night Light ignored her question while staring at her eyes. "Twilight, did you cast a spell on yourself for today? Specifically an inhibition lowering spell?" Behind her blissful fucked out expression a small glare of magic stared back at him. Magic that he could recognize the school and basic intent, but not what it actually was.

Twilight shook her head. "No sir. I used a stamina spell on myself and Rainbow, but nothing else. Why?" She sagged as she thought that her day of blissful torture might finally be at an end. "You detected one?"

He nodded while removing the ropes from her body. "Yeah, I'm going to hit you with a full dispel, and then we can get cleaned up. I think both of us are going to need plenty of rest after this." He charged up his horn, then let out a wave of magic over his daughter.