"Fillies and Gentlecolts," Celestia announced to the large crowd outside of her School for Gifted Unicorns, "It gives me great pleasure to present to you, your graduating class!" The parents and family members cheered as the assembled students all stood and took a bow. They had all walked up onto the stage and received their degrees from the princess, and were now filtering out into the crowd, seeking their loved ones. Among the students sweating in the hot June sun was Twilight Velvet in her black robe, clutching her Master's Degree. Her parents waved her over to their location. They each hugged her as soon as she was in range.

"We're so proud of you!" her mother said.

"I knew you would finish what you started!" he father said. Velvet's husband waited patiently for his turn.

"How does it feel?" Night Light asked.

"Ugh! This heat!" Velvet complained. "I can't wait to get home and get out of this robe!"

"Sounds like a plan," he said. "I've already hailed a carriage for us."

"Oh, you're the best!" Velvet said, giving him a kiss. He kissed her back, harder. Even though he was her brother, her parents and Celestia were right. All they needed was time to get used to the idea. It did take time, but in the months since February it had become easier to ignore that aspect of their relationship. To Velvet, he was her husband before he was ever her brother. That part was easier to remember and focus on. She loved him. That was the part that mattered. They boarded the carriage. Her parents sat in the front and gave the driver the address. Night Light snuggled against Velvet in the back seat.

"Ugh, no," Velvet said, pushing him away. He looked hurt. "No, I'm just hot, that's all. I need to get out of this robe."

"I could help with that," Night said as his hoof started to move up her leg under the material.

"Behave!" Velvet quietly scolded him, slapping his hoof away. "My parents are right there!"

"She's right, Son," her father said from the front seat. "At least wait until we get home first." Both of the younger ponies blushed. The carriage rolled up to the house and her father paid the cabby while her mother unlocked the door. Velvet practically bolted past her to run upstairs. Her mom gave Night Light a knowing look.

"I... should go see if she needs help," he said, trotting after her upstairs. Night walked into her bedroom to see her struggling with the collar's clasp. Her magic faltered. "Here, I'll get it," he said, easily undoing it.

"Ugh! It's just so hard to concentrate with this damn..." She lifted her robe off and flung it at him. The wet spot where she'd been sitting on it hit him in the face, flooding his senses with the musk of her "...heat!" she groaned. Night Light took his time removing the garment from his face, trying not to make it obvious that he was intentionally smelling it.

Not that he needed to. With her robe off, her feminine scent plumed into the room. Her nose had gone blind to it. But he couldn't ignore it even if he wanted to. And now that he had finished his term in the Royal Guard, he hadn't the uniform to hide the result. He pulled her robe from his face to find her glaring at him.

"Oh really!?" she said, pointing at his obvious arousal bobbing beneath him.

"Hey, this is entirely out of my control!" he said. "Don't even try to blame this on me. You're the one... smelling good!" He tossed her robe back at her. She could visibly see the dark spot. She held it close to her nose and cringed.

"Oh, geez, it is me," she groaned. The 'Beat the Heat' potion that her mom had given her didn't seem to touch her ache. "It's bad this year."

"You seemed fine last year," he said.

"I was pregnant last year!" she growled. "I didn't have to deal with all this." Night Light shrugged and smirked.

"Well then... the solution seems simple."

"Ha!" Velvet scoffed. "Simple, he says!" She looked at the small pot on her dresser. Her bonsai tree had grown quite a bit in the last year. The shrubbery was nearly the size of an orange. "You try having a foal," She said as she looked at her tangled mane in the mirror. "Nothing about it is simple!" She looked in the mirror at her brother's erection behind her and sighed. "Especially now."

"Hey, I'm sorry," he said, hugging her. "I didn't mean to trivialize it. I know it's hard."

"Speaking of hard, it's touching my leg," she said. He looked down at it poking against the outside of her leg but he didn't move it.

"Well... where would you prefer it to touch you?" he asked seductively.

"Night..."

"Maybe... here?" he asked boldly, moving it with his magic to the inside of her leg.

"Night...!" she groaned in idle protest but didn't move to push him away.

"Maybe a little higher?" he asked. He shifted his stance and brought it up along her inner thigh. She let out a little whimper. He moved his hips and slid his length against the edge of her marehood, along her pubic mound between her legs. He could feel her heat positively radiating against his abdomen as he pressed his body against hers. He pulled back as she snapped her legs together, keeping him pinned between them. But it only served to push him even more up against her sensitive nethers. But she hadn't the strength to hold him long. He pulled back and let it bob a bit higher.

"Or what about up here?" he asked, letting his tip brush against her swollen petals. Velvet gasped at the contact. "Ooh, I think you do like it here," he said, pushing against her a little harder. Her hooves pawed at the floor as she felt him start to spread open her hot, wet entrance with his tip. "I think you need it in here," he said and he leaned closer, nibbling on her ear. "And I think you want it!" Velvet couldn't move, she couldn't think, she could barely see straight as he continued to tease her. "You want it, don't you? You want me to put it in?" he asked. It had been months. Velvet moaned desperately, unable to resist any longer.

"Yes!"

"Say it."

"I want it!"

"You want what?"

"I want you to put it in!" she cried. Night didn't normally like to keep a lady waiting. They had denied themselves of each other long enough. So he obliged her request. Velvet felt the air rush from her lungs as she felt him push it inside. Her voice was hitched in her throat, leaving her mouth agape in a silent squeal as she felt every inch of him moving along inside of her well-lubricated love tunnel. It wasn't until she felt his balls resting against her clit that she gasped for a breath. She could feel his breath on her ear as he panted on top of her. She felt an instant of relief. A scratch for her itch that only her lover could provide.

Velvet cursed herself for her previous inhibitions. Ever since the beginning of spring, she'd suffered this ache. And Night Light was ready to relieve her of it from the very beginning. He had been able to move on from what had happened. Why hadn't she, she wondered.
Each time she had rebuffed his advances. Each time she left him physically in the lurch and guilty for feeling like he did. She was upset with herself for forcing him to have to deal with her musk, without any reward. But no more.

All of these thoughts and feelings went away. The only feeling that mattered now was feeling him inside her. But the relief it brought was but a single pail of water for her raging forest fire. And it was like trying to put out a fire with gasoline. Her ache had transformed into a desperate need. She needed feel to more of him. She need him to move in and out. She needed him to fuck her!

"F-fuck!" Velvet moaned. Night needed no further instructions. He planted his legs behind her and moved her away from the mirror for more room. He placed his hooves on her back and got ready to pull back. The door opened.

"Twilight, you left you degree downst-Oh, sorry!" their mother said when she saw them. Velvet was facing the door and Night was behind her, so she couldn't explicitly see what was happening.

"I was just, uh, Velvet wanted a back rub!" Night said, frozen stalk-still. "So I was just giving it to her!" he said.

"Oh. Well, dinner will be in twenty minutes. So you had better finish 'giving it to her' soon," she said with a smirk before closing the door.

Night Light moved again, backing away from Velvet to dismount her. Her horn glowed and he felt her magic push against his butt, halting his retreat.

"Vel, what are you-"

"You heard Mom," Velvet growled in her lustful haze as she locked the door. "You had better finish giving it to me!" Her magic pushed him back into her. She felt him fill her again and moaned as his balls smack against her winking clitoris.

"Velvet, I don't know. I'm just a little uncomfortable now. Mom walking in like that-" Her magic only needed to move his hips a bit more before they were moving on their own.

"Doesn't seem to have affected you at all," she said, feeling him still as rigid as a steel rod moving inside her. She felt him try to pull away against her magical grasp. "Oh, boy! You think you can take this bull by the horns, you'd better be ready for a ride!" She let him go at once, causing him to pull out and stumble backwards. While he was off balance, she turned and tackled him to the floor boards with a loud thump that made the loose bits on her dresser chatter. "Don't start what you can't finish!" she cackled with hungry eyes.

Night Light just looked up at her with worried eyes. His mind screamed 'Retreat!' but his penis yelled 'Charge!' This fact was not lost on the mare in heat. She looked down at his glistening erection and lifted it with her magic, aiming it at her needy marehood. She lowered her hips and took him into her hot depth once more. She would get her relief, to be sure. And the stallion would have no say in the matter.

Night Light had been spared the living nightmare of Velvet's heat the previous season. He dismissed the tales of terror that he'd heard from other stallions when they had faced 'the creature' themselves as merely that. Velvet's restraint this season only served to reinforce his assumption that those stories were indeed just exaggerated for effect. But when that fragile dam broke, the mare-possessed rode him like he was no more than a sack of potatoes. He bore witness to the reality that every single one of those estrus horror stories had been true.

She rode him. Hard. She pinned his chest down with her hooves. Each time she lifted herself and slammed back down, he found himself praying that he had enough calcium in his diet for his pelvis to survive. Each time she smacked her clit against him, he could feel her pussy spasm and quiver around him, spurting fresh nectar from around his girth. Her sopping wetness filled the room with the noise of wet slaps. Her wicked grin was wide enough for him to see molars.

Amidst her lustful haze, all other thoughts were gone from Velvet's mind. He was no longer her brother, or husband, or even a stallion. In that moment, to her, he was little more than a dildo with a pulse. There was no mistaking their roles. She was the one fucking him.

Velvet threw her head back and moaned loudly as a particularly big orgasm hit her. She felt her fleshy dildo flare thicker inside her, stretching her wider, even as her pussy gripped tighter against it. With the exception of their first time, all of their sex had been while she was pregnant. He was accustomed to foregoing the usual precautions. She was accustomed to letting him. Her exhausted legs finally collapsed as she landed a final time onto him. She felt it bottom out inside her as it throbbed and pumped against her innermost barrier. She flopped forward and landed on the furry pillow she was straddling, never letting him slip out.

Downstairs, their parents sat at the table, waiting for the thunder on the second floor to stop. Their mother took a sip of her wine.

"Their dinner is going to get cold," she said, nodding at their plates. "Apparently, he's 'giving her a back massage'."

"Oh, leave them be," their father said. "She obviously needs it. By the stars, I could smell her in the carriage." The plates and silverware rattled as the sound of somepony getting body-slammed shook the house. "Why is her heat so bad all of a sudden?" he asked as the ceiling light started to swing slightly.

"Well, I may have accidentally replaced her 'Beat the Heat' potion with fruit juice," she said.

"Really?"

"Well, by 'accidentally' I mean 'repeatedly', and by 'fruit juice', I mean 'virility potion'," she said.

"Oh," was all he said. The rhythmic banging upstairs finally stopped. "Well then," he said. "You might want to go make sure that he's still alive."

"What? Do you think she rode her brother to death?" she asked. He smiled and put his hoof on hers.

"Well, if she's anything like her mother..."

"Dinner!" Velvet heard her mother's voice coming from outside her bedroom door. Her head popped up, shocked awake by her surge of adrenaline. She jumped to her hooves, feeling Night's penis practically yanked from her as she did.

"GAH!" Night yelled underneath her as his dick flopped out of her and slapped against his belly, followed by a torrent of his cum flooding from her pussy, soaking his already-matted fur. Sobriety hit them both like a bucket of ice water.

"I need a shower!" They said in perfect stereo. Their mother rolled her eyes and headed back downstairs.

"So?" their father asked as she sat at the table. They heard hooves scramble through the hallway and the shower turn on. "Ah. Figures." She sighed and began to cover their dishes to put into the refrigerator for later.

Velvet nearly shoved Night Light aside to get into the not-very-roomy shower first. He followed in after her. Velvet grabbed the shower head and did her best to scrub his mess out her tail. But each time she shifted herself, more of his cum leaked from her.

"Dammit! There is so much!" she cursed. "What, have you been saving up?" she accused. Night Light was struggling to get the sticky mess out of his own fur.

"Well it's not like I didn't want to spend it," he said, continuing the euphemism. "It was just that the store was never open!"

"Well why didn't you just try shopping from a magazine!?" she asked.

"Because I wanted the real thing!" he said.

"Well then why didn't you just go out and find somepony to-!"

"Brand loyalty!" he shouted, scrubbing his fur harder. Finally he stopped and looked at her calmly. "I don't want anypony else, Velvet. I love you." He gave her the bar. "Here, use the soap. It helps."

"Thanks." She took the soap and scrubbed her tail. Both stood there in the cramped space listening to the water run. "I- I'm sorry. About that. I didn't mean to say that you would... I was angry."

"I know," he said.

"I don't know what happened. I just haven't been myself lately," she said.

"No, I get it," he said. "It's your heat. Makes you crazy. You weren't thinking. And I shouldn't have..." He scrubbed the last of his mess from his fur. "I shouldn't have tried to take advantage of you for that. I just wanted you so badly. But I'm sure you're probably still grossed out by it." He turned to get out of the shower. She grabbed his hoof.

"No, it's okay," she said. "I'm okay now. With it. With... us." She pulled him closer and kissed him. "And I think we both needed that." He smiled.

"Come on, let me go. We're going to be late for dinner." Velvet smiled and shook her mane.

"We've been late for a while now. Scrub my back?" Night Light grinned and stepped back into the shower.

A couple weeks later, Velvet was sipping her morning coffee at the breakfast table. Her mother sat down opposite her.

"Are you sure you don't want breakfast, dear?" she asked. Velvet shook her head.

"No thank you. I'm not really hungry." Night Light walked downstairs and sat beside her.

"Good morning babe," he said, kissing her. She kissed him back. "I hope you're feeling better."

"Oh," their mother asked. "Are you not feeling well?"

"I just had a bit of an upset stomach earlier," she said.

"Oh, well I'm sorry to hear that," her mom said without surprise. "How has your... season been?" she asked. Velvet nodded positively.

"Well it was rough for a little while, but it's feeling much better. I think it might be over early this year," she said.

"Ah...ha," her mother deadpanned. She turned in her seat and reached into the counter cabinet, taking out a small, wrapped gift box. "Well, I suppose I ought to finally give you your graduation present."

"Present!?" Velvet's eyes lit up, taking the gift. She unwrapped it. "It's a pregnancy test. Why would I need this?" she asked. Her mother could not raise her eyebrow any higher with it still being attached to her forehead.

"Dear, you have a Master's Degree," her mother said. "You're season has ended early, you're feeling sick in the morning, and all of it just after he started 'giving you back massages' again."

"Ugh," Velvet slumped a little lower into her chair.

Velvet sat on the toilet and placed the test kit on the bathroom counter. She added the activator solution to her test sample and waited. Night Light and their mother waited by the door.

"Okay, so, what, we want blue, right?" he said.

"No, we want red," Velvet said. "Blue is positive."

"We want blue!" their mother said.

"No, we want red!" Velvet repeated.

"Dear, aren't you going to come see?" their mom called out to the living room. Their dad sat on the couch reading the newspaper.

"I'll find out soon enough," he said as he adjusted his reading glasses. The three ponies watched the test tube closely. It slowly shifted from the usual yellow to green to a purple and then finally-

"SQUEEEEEEEEEEEEEEE!" Their mother squealed in a frequency usually reserved for bat ponies. One of the lenses in his reading glasses cracked.

"Gee, I wonder that that could mean," he said as he flipped to the next page. "Is it red?"

"It's BLUE!" she squealed.

"It's blue," Velvet and Night both groaned. Their mother tackled Night and shook him like a can of paint.

"It'sBlue!It'sBlue!It'sBlue!It'sBlue! YAY!" she screeched into his ear.

"Yay," he groaned.

"Twilight! Be excited!" she yelled.

"Yay," she groaned.

"I'm gonna be a grandmare! I'm gonna be a grandmare!" she started chanting.

"You're already a grandmare!" Velvet yelled, ceasing her mother's dance. "Or have you already forgotten!?" Her mother's tone turned serious.

"Twilight, this time will be different. This will be your foal. Yours both," she said to Night. "All you have to do is be the best parents you can be! Oh, I need to write to Tia!" She ran out of the room. "Were's my Dragon Fire lamp?" she asked.

"In the cabinet above your desk," their dad said from the couch. She got the lamp and ignited the oil. It burned with a small green flame. She quickly began writing on a small scroll with her quill.

Dear Princess Celestia,

You must come at once I have the most delightful news...

"Look, it's going to be fine," Night Light said as he stood beside Velvet, still sitting on the throne while her mother continued to write. "We've been through this before. I'm sure we can-"

A flash of white light in the house cut him off.

"Where is she!?" a voice boomed.

"In the bathroom!" her mother said. A Royal Guard appeared in the doorway.

"She's in the bathroom," he called out.

"That's what I said," her mother said. Celestia appeared in the doorway behind her guard, with another guard.

"Twilight!" Celestia greeted the mare on the toilet. "I heard the wonderful news!" She walked in and hugged her. There was another flash of white light.

Velvet's mother stood in the doorway with her camera.

"Beautiful! This is going up above the mantle!" she cheered, capturing the moment of Princess Celestia hugging Velvet on the toilet. "OOH! How about another one with you holding up the kit!?" Celestia smiled and held up the test tube with the blue liquid in it. "Everypony say cheese!" The guards wedged themselves into the shot with Night Light, crowded around the princess and Velvet still on the toilet in the tiny bathroom.

"That's my pee," Velvet said.

"Everypony say 'That's her pee"!" her mom yelled.

"THAT'S HER PEEEEE!" they all cheered as the camera flashed again.

"Fuck my life," Velvet groaned.