Oh, those two sisters!
It was a cold and damp night around Ponyville, not a single light but one was on. Darklight was taking her usual walk around Ponyville, looking at the houses she most desired to get in the near future. As the lonely pony was walking towards her father's house aka Marduk's house, Darklight soon started to feel small branches smacking against her face. keeping a good jogging pace, she noticed the weather started to get a lot worse, she soon sprinted to the house, clenching the handles and pulling with all her might against the jammed door, it soon swung open, having her soon slam against the edge of the house. "O-O-Ow...." Darklight groaned as she was slammed, meanwhile inside the house, Marduk heard the slam, he went to the door to see if a tree or an other object that hit their door. He pepped behind the door, seeing Darklight staggering to get her focus "Darklight? Those strong winds get you?" He chuckled, soon helping her inside. Marduk shut the door and helped her to the couch, Darklight plopped down in a slumped position, she turned her head, seeing the sister she most despised, Canni smirked as she sipped her coco "Oh, Hello sis." Canni said at her, Darklight rolled her eyes and scooted towards the fireplace and mumbled. "Hey, shit for brains...." Canni giggled at words that she mubbled "Oh, quiet you!" Canni said in a playful manner. "You've always hated me, you're going to have to deal with it one day or another. I like you, shouldn't I get the same respect back? " Darklight looked towards her with a scowl on her face. "You bitch, you only like me as your incest doll!" She said with a little louder tone, Marduk heard the argument, he stepped into the living room, standing over Darklight and looking down at her. "How long have I told you, your sister would never do that! Now say sorry." Darklight looked up at him, having a scowl still on her face. "Yes, Dad..... Sorry Canni...." She looked up at her, not feeling any love from her. Canni crossed her hind legs, smiling at the rather not sincere apology. Canni nodded in acceptance. "I'll always accept it." Marduk smiled and patted Darklight's head. "Now listen, I'm going to be going out of town for a few days and I want you to watch over the house, so be on your best behavior. Understand?" Both of them nodded saying "Yes dad...." He walked into his room, starting to pack his stuff of for his trip to Trottingham, even though he was the only human in Equestria. As he was done unpacking he grabbed his coat from the hanging pole, looking at Canni and Darklight. "Now, be good girls and watch over the house." Darklight hopped on the top of the couch, waving to him as he exited the door and shutting it, Canni bit her tongue as she stared at her sisters plot, having a grin grow across her face, Canni soon moved closer and closer to her plot, soon wrapping her hooves around Darklights waist and pulling her on top of her. "So, it's the two of us. We are going to have lots of fun." She giggled in a seductive way . Darklight looked up at Canni, her eyes widened as she was staring directly into her red eyes. "You're one messed up sister...." She said. Canni's smirk widened as she heard the negative comment. "You just don't know how fun it is, do you?" Canni soon gripped Darklight's black and white mane and lifted her off the couch and started to drag her to her bedroom. Darklight struggled, trying to make Canni loose her grip. The wooded floor glider across Darklight's feet, making little tap sounds as each foot made contact with the floor. Inching closer to the dark room, she soon quickly gave up, Canni after that threw Darklight on to her bed, Darklight landed softly with a plop, Canni soon hopped up on the bed and instantly pinned Darklight's hooves. Licking her chops, Canni looked deeply into Darklight's eyes, moving her lips closer to Darklight's. Darklight pushed her head deep into the pillow of her bed, trying to avoid making her lips connect with the other mare's, Canni reached in and pressed her lips against Darklight's tightly , slowly her tongue twisted around Darklight's starting to suck on her tongue softly , she closed her eyes and savored the moment, her tongue shared salvia as her hoove slowly moved down towards Darklight's flank cheek, her left hoove squeezed her left flank cheek, Darklight soon letting in bursted her eyes open as she felt the grip against her ass cheeks, Canni slowly broke the kiss, having a string of salvia part their lips. She bit her lip as her hooves moved up and down Darklight's tender squishy plot cheeks, Darklight's face soon widened with a blush streaming across her face, letting out a soft moan. Canni giggled and gave the right cheek a good smack. Darklight sprung and opened her eyes to the slap, still feeling the weight of Canni on her. "You're r-r-right.... It does f-f-feel good..." She stuttered, with a slight smile at Canni. " Was there any doubt?" Canni smirked, slowly rubbing her marehood against the hairs of Darklight's. Canni slowly dug her hoove deep into Darklight's slit, burying it between her inner walls, Darklight's hooves clenched the bed, biting her lips as Canni's hoove pleasured her. She smiled still putting it deep between the walls, having little juices stick to her hoove. Darklight's face was completely read, her body was tensed as Canni's hoove slipped deeper and deeper. Canni soon started to rub her wet marehood against Dark's body, Canni's main goal was to make her unleash her fluids. Darklight's marehood got more wet as the hoove went as deep as it could go into her inner walls, she soon let it out, having her juices spurt out all over her hoove, Canni's slowly moved back and bent down, close to her dripping wet slit, her tongue slowly glided up Dark's oozing cunt, having liquids poor all over Canni's mane and lower face. Deviously, Canni hopped off Darklight, slowly she trotted towards her closet, Darklight had no idea what was in there. "Um, Canni?" She said "Yes sister?" Canni looked back as she slightly opened the door. "What's in there?...." She gulped staring through her black and white mane. "Oh, just some toys." Darklight was tempted to stay by the pleasure she had gotten so far, she closed her eyes, waiting for what ever was next in the process. Canni hopped back on the bed, having a strap on of the size of Big Macintosh's cock, Darklight's lips slowly began to drip salvia from the excitement. Canni gave Darklight a look that she was unaware of, but knew what it could of possibly meant, she reared back, ramming the massive strap on deep into the grey womb, slowly thrusting. Darklight's body jiggled back and fourth to the increasing movements slipping inside. Darklight started to rapidly pant, as her womb was penetrated, letting out small moans that got larger every time it hit her womb. Canni put her hooves on Darklight's thighs so she could keep the time going, she bashed it deep in, trying to make the mare climax for her. Darklight scrunched up her face, having the sticky liquids of sperm leak out of her small slit, then letting out a landslide of more. Darklight screamed feeling the large dildo finish her off, she panted a little, having as oft smirk as she looked at her sister. "I love you sis..." She said, Canni replied "I love you too...."