Go, Dashie!
"This way, sweetie." Bow Hothoof coaxed his beautiful daughter down the blue-tiled, freshly-waxed hallway of Wonderbolts HQ, teasingly pulling her along by her tail. "Those friends of yours were okay out there, but you were GREAT! Your mother and I are so proud! We definitely have the best daughter in all of Equestria!" He nudged her big, bulging rump.
"Ha, alright Dad, quit it!" Rainbow jokingly punched her dad in the shoulder. "That's enough bragging for one day." She sighed happily and started to shrug off her Wonderbolts uniform as the two approached the broom closet. "I’ve been flying with the Wonderbolts now for as long as I can remember. It was fun, meeting all those handsome Pegasi, but I haven’t had time with you in forever!" She wrapped herself around him as he opened the closet door. "I've missed you so much..."
Bow laughed and kissed Rainbow on the top of her head as he guided her inside. "Your final performance spectacular with the Bolts today was really something! I think you REALLY deserve a treat for that!" He closed the door behind them as they stepped into the small space, coating them both in total darkness.
"Dad! Wait!" Rainbow Dash cried and stuck out her hoof in the dark, accidentally bopping her father in the eye. "Oh, sorry... I want you to leave the lights on!" She heard her father chuckle. "Why? Still scared of the dark? I thought you got over that fear years ago!"
"No, Dad, it’s just..." Rainbow smirked and looked down at her large breasts, seeing them bounce as she rubbed her hooves together, embarrassed. "I just... want to see you..."
Bow laughed. "Alright, alright! Anything for my beautiful girl..." He flicked on the light, beholding the beautiful sight that was his own daughter, Rainbow Dash, her gaze accompanied by her smile as she gazed downwards towards his bulging cock. Her wings stretched out and her large titties bounced as she got down on her knees and began unzipping his pants, licking her lips hungrily as she drooled for that meat she’d been craving for so long.
"Ah, ah, ah!" He pushed her head away just as his shaft popped out from his jeans. "You didn’t say the magic words!" Rainbow Dash groaned and rolled her eyes. "Daaaaaad, come on! It’s super embarrassing! But he REALLY need this right now!"
Bow frowned, and zipped his pants back up. "I see. Well then, if you’re going to be like this, missy, I guess we’ll just have to wait until next year to try this again." He turned around, pretending to leave, and sure enough, Rainbow relented.
"DADDY! Please, let me be with you, just for one day! I’m so excited!" She cried, referring to her father like her master, which he always enjoyed. Bow smirked and turned around. "That’s just what I thought." He re-unzipped his parents and presented his massive stallionhood to Rainbow Dash.
Rainbow wasted no time in planting her warm lips on his cock, licking the precum that began trickling out it into her mouth, before wrapping her mouth fully around his length, undulating as she bobbed her head up and down his penis. Bow moaned and leaned back against the door, enjoying the feeling of his daughter sucking him once more.
Rainbow slowly increased her speed on her father's shaft. Moving her lips faster, licking what she could of the flesh, her eyes rolling back as she enjoyed the feeling of cum entering one of her holes and exiting another.
Eventually, Rainbow could tell her father was near ejaculation, so she released her grip on his cock entirely, moving her tongue to take teasing licks at his tip, and she then moved her lips down to suck his balls. Finally, Bow's overwhelming semen and absolute love for his amazing daughter just poured out of him in one big Splat!
Rainbow's head and mane got covered in a thick coating of Bow's semen. She laughed, wiping the sticky goop from her eyes and sharing a hoofbump with him. "Nice! Best Ejaculation AND Best Ejaculation recipient!" She declared.
"Yep!" Bow agreed. He took a towel from nearby and wiped them bith clean. Once they were finished, he rubbed his hooves together. "Now, are you ready for Round TWO?"
Rainbow sighed and sat, her big butt hitting the floor with a thump. "No thanks, Dad. I’m tired." She yawned. "Maybe i'll take a nap and we can continue after!"
"Aww, what’s wrong?" A familiar voice cooed. "Does my little Dashie-Washie need a hug?" Rainbow looked around in brief confusion, before Bow opened the closet door to reveal her own mother, Windy Whistles, standing there, absolutely naked. "You were AMAZING out there, Dashie!" She said. "And I’m sure you’ll be amazing now!"
"Mom!? What are YOU doing here?" Rainbow whined. "This is mine and Dad’s thing!"
"Oh, I know!" Windy said, shooting her husband a look. "We'll talk about your little tradition with our daughter later, Bow. But for now..." She leaned down and planted a long kiss on her daughter’s lips. Rainbow pulled away and smiled lovingly at her mother, who was then distracted by Bow sneaking and shoving his dick up her ass. "Oh, Bow!" She cried excitedly.
Watching her parents having sex before her, Rainbow began masturbating, and shared more cum-lipped kisses with her mother while her father fucked her. One dick entered an ass, finishing with one mouth entering another until, finally, it all ended with Bow blowing his load in Windy's ass, who found herself spitting cum into her daughters mouth. Luckily, they laughed it off and collapsed exhaustedly to the floor.
"That was incredible!" Windy hugged her husband. "That was awesome!" Bow agreed, smacking his lips. Rainbow looked up at them both with wet eyes. "You guys are AWESOME parents. I love you both."
And there they laid, in a big, family pile, covered in each other’s juices as they all fell asleep for the janitor to find them.