King and the Showering Kindness
It was a pretty strange, but somehow obvious outcome. As Sombra had been defeated twice, having lost his body and kingdom once again, he had lost his will to keep going. It was only then when Fluttershy had felt pity for him.
And as Sombra's body was reconstructed for one last time, she decided to take responsibility for him. Her friends were against it at first, but since they already had history of redeeming Discord and Starlight, they allowed Fluttershy to do it.
She started tending him and teaching him how to be kind. It proved a little difficult at first, but eventually Sombra started to show progress. And it didn't take long for them to grow feelings for each other, soon falling in love.
And thus it was Fluttershy's love towards the former dark king that redeemed him.
He was ultimately allowed to live in the Crystal Castle under the surveillance of the empire's rulers Shining Armor and Princess Cadence, with Fluttershy moving in with him. They were given an apartment of their own to live in, something Fluttershy was very grateful for Cadence.
Soon they got married and they started living together as a loving husband and wife.
***
The former king yawned as he woke up.
"Oh! Good morning, my King!" Fluttershy greeted her husband cheerily, "Did you sleep well?"
"Morning, my Queen..." Sombra replied softly, "I'm fine. I'm just in the need of a shower, that's all!"
"Mmm-hmm, so am I!" Fluttershy giggled, "Should I follow you into the bathing quarters, your majesty?"
"You're welcome!" Sombra hummed and stepped off the bed.
His naked, chiseled body gleamed in the morning sun as he walked towards the bathroom, with his tail swishing from side to side, revealing his firm buttocks towards Fluttershy's direction. She giggled and started following him, her hips swaying as she rushed beside him.
As they entered the bathroom, Fluttershy walked straight into the shower, while Sombra positioned himself over the toilet, aiming himself at the bowl after raising the seat. Fluttershy turned the shower on at the same time as Sombra let out his stream, the bathroom filling with the sounds of rushing water and Sombra's urine rumbling in the toilet. She took a glance over her husband, her eye focusing onto his foot-long horsecock he held by its base to aim, the black and thick leathery tube of flesh that was bulging with veins and twitched as he went.
Fluttershy knew it was rude to stare, but she knew Sombra didn't mind. He was quite comfortable urinating around Fluttershy, something which got her aroused just by the thought. She felt her nethers dampen even through the water cascading down her body.
She adored her husband's body, his dark complexion, his muscles and abs, his buttocks that were like a set of two rock solid buns of steel. And of course his perfect, mouthwatering penis he used for relieving himself, and on occasion, to give her amazing, earth-shattering orgasms, the ones like she had never experienced in her life. The very thought of it got her motor going, and she couldn't wait for Sombra's length to enter her nethers once again.
Fluttershy heard a sigh coming out of Sombra's mouth as he finished, turning her eyes back to the show as he shook off his penis before flushing the toilet.
"Do you need to relieve yourself as well, my love?" Sombra asked gently while turning towards his blushing wife.
"Weeeell... I was thinking..." Fluttershy replied sneakily, "That I could do it in the shower. Um... Of course, if you don't mind!"
"I don't. Please DO go ahead!" Sombra nodded and turned his head away to give Fluttershy some privacy.
"Oh no! You can watch me if you want!" Fluttershy reassured, "I... I don't mind the audience..."
"Well, if you insist..." Sombra turned his head back towards Fluttershy, seeing her squatting over the shower drain. Her hand trailed down between her legs and she let out a silent peep as she started spreading her vulva with her fingers, exposing herself completely to her husband. While it wasn't the first time he had seen her privates, she had never before urinated in that kind of way while he was watching.
However, it didn't prove too difficult for her to start her stream and soon she found herself sighing in relief as her pee surged out of her in an arc. It felt naughty to do it in front of her husband, especially with his eyes locked onto her gushing nethers, yet also very arousing - she couldn't believe enjoying it as much as she was at that moment!
After a while her stream slowed down to a trickle and broke into random droplets she managed to squeeze out from her contracting urethra. She rose up and grabbed the shower nuzzle to clean the floor after herself, giving some space for her husband to join her.
He leaned towards his wife and lifted her chin up before giving her a long, passionate kiss. Fluttershy closed her eyes approvingly, sinking into her husband's loving embrace. She moaned into his mouth as felt his hand touching her breast, reaching her own hand down to grab hold of Sombra's now erected penis that was sandwiched between them.
It felt like a pole of black leather, one-and-half feet long tube of flesh that was emanating from his virility, throbbing gently as Fluttershy's hand trailed along its shaft. Sombra returned the favor, putting his other hand between Fluttershy's thighs to gently rub her moist entrance, along with the swollen, winking nub of her clitoris, making her squirm with his touch.
After breaking the kiss, she looked at Sombra seductively and smiled, turning around to bend over before him, exposing her buttocks to him. Sombra smirked and grabbed her by the hips before digging his face in, making her let out a squeal.
"O-oh my! You're pretty eager today, aren't you?" Fluttershy turned towards Sombra as he ate her out. He pulled his snout out of her, her juices dripping down his fave as he smirked.
"You want me to stop?"
"No! P-please, keep going!" Fluttershy pleaded and bit her lip, shaking her rump invitingly at Sombra. He shoved his tongue back inside, using it to dig deeper into her vaginal cavity.
Fluttershy moaned and panted as she felt his tongue inside of her, soon letting out a sharp gasp of pleasure as she climaxed. She squirted out her marecum onto Sombra's extended tongue, reveling in its sweet honey-like taste. He rose up and moved his head closer towards Fluttershy's ear to whisper into it.
"Should we keep going?" Sombra asked his panting wife, who was recovering from her orgasm. After catching her breath, she turned her head and smiled.
"Yes... Oh yes, my king! Please keep going!" She replied as huskily as she could, "P-please... Put it inside! I... I need it!"
Without saying a word Sombra grabbed his throbbing penis and repositioned himself, slapping his flare on Fluttershy's buttocks before guiding it at her entrance. He didn't want to shove it all in right away, allowing Fluttershy to get used to it before that. But as Fluttershy seemed to be more eager than he had imagined, he shifted his position one last time before ramming his whole organ inside her pussy, making her eyes shoot open in pleasure.
Fluttershy threw her head upwards and yelped as she felt it spreading her apart, lulling her tongue out in an obvious extacy. Sombra on the other hoof let out a grunt as he felt Fluttershy's cavity thighten around his girth, feeling it grip him like a vice. He started moving his hips to pump his length in and out of her, trying to find a good rhythm for doing it.
PLAP! PLAP! PLAP! PLAP! PLAP!
The sounds of meaty smacks and Fluttershy's high-pitched moaning echoed from the walls as they made love. Fluttershy squealed higher and higher as Sombra railed her, feeling his cock filling every inch of her insides.
"Oh! Ah! Aah! Ah! Uh! S-Sombra! Sombra! Sombra!" Fluttershy moaned as she got slammed against the shower wall, with Sombra pistoning her with all his might. "S-Sombraaaah... I'm... I'm gonna!"
She then let out a loud scream as she came another time, squirming in Sombra's arms as he quickened his pumping. He felt Fluttershy's vaginal muscles trembling around his cock, as if getting prepared to milk every last drop of his cum. The pressure he felt inside his cock at that very moment was the cue for him to pull out, and right after that he felt his balls tightening as he reached his own climax, his thick, virile seed shooting out of his cock and coloring Fluttershy's back with strands of white. Sombra moaned and grunted as his cock shook on its own and spurted his seed all around until he was completely finished. They both relaxed and sighed in satisfaction, Sombra letting go of Fluttershy to let her recover. She leaned on the wall for balance and opened her eyes, noticing she had stepped on a glob of Sombra's warm essence while doing so.
"Oh... Oh my!" Fluttershy blushed as she looked at the mess they had made, "Looks like we're going to need another showering!"
"Well... Shall we, then?" Sombra replied and smiled, pulling Fluttershy to his embrace, "The day is still young!"
"Mmmh, okay then!" Fluttershy purred and brushed along Sombra's chest with her hand, "Would you let me wash your back?"
***
Unbeknownst to them, however, Cadence and Shining Armor were secretly watching them from a crystal ball in their bedroom, having the clearest possible view into their apartment. And they were VERY pleased about what they had seen.
"Mmm, my gosh, Shining!" Cadence said in arousal as she pulled her soaked hand out of her panties, "I knew Fluttershy was kinky, but I couldn't imagine she was THIS kinky!"
"Yeah! Should we try something like that too?" Shining added while stroking himself, Cadence rolling her eyes at her husband.
"Oh, shut up, you! You know I don't like getting my mane messed up!" Cadence laughed and turned back towards the show, "But I'm totally looking forward what they're going to do on the bed tonight!"
-The End-
Author's Note
Many thanks to Evehly for making Sombra so hot I actually enjoy this ship. 
