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Alright, so maybe they had messed up his birthday party. Miku and Masa might not have been as good as Tatsu was at making sweets and decorating, but that didn't mean they couldn't celebrate in other ways. "Come with us, we have another surprise for you," Miku told him, dragging him by the hand into the bedroom, as Masa followed. Tatsu looked puzzled, but complied cheerfully, still wearing his new sunglasses and necklace.
***
Three hours earlier
"What was Tatsu like when you met him?" Miku asked Masa, who was googling for 'easy cake recipes'.
"Huh? Oh..." The young man rubbed a hand awkwardly up the back of his neck. He clearly had no idea how much to say to her about her husband's past. "Well, he was incredible, you know? Terrifying, but amazing. He always knew just what to do and how to do it."
"He's still like that," Miku said, nodding sagely. "It's part of why I married him. Competence is sexy."
"Yeah, it is," Masa blurted, and then immediately flushed a vibrant pink. "I mean, not that I'm saying... uh, forget I said anything, boss-lady..."
Miku laughed. "It's okay! So you think he's hot too - we have that in common!"
***
"Get the futon out," Miku told her husband. Still perplexed, Tatsu did as he was told, unfolding the mattress and laying out the pillows as he would normally do at bedtime.
"What's the plan?" he asked, once he had everything set up. He couldn't have missed that Masa was still there, hanging out awkwardly in the doorway in his ridiculous bowtie and vest. He'd lost the birthday hat somewhere along the way, at least.
"We discussed it, and we wanted to give you an extra special present - from both of us," Miku told him playfully, turning him around so she could untie his apron and rising up on her tiptoes to lift it off over his head. "If you want to, that is."
It took a second for the implications of her offer to sink in, and when they did, Tatsu peered at her over his novelty sunglasses with a raised eyebrow. "Oh, you think you can take me down together, huh?" He grinned and made a little beckoning motion with his hand. "Bring it on."
It became a friendly competition to see who could get undressed fastest, which Masa lost both because he had more layers to remove, and because he was a bit shyer about taking his clothes off in front of Miku. "Boss, I wanna be clear, I'm not looking at your lady..."
Miku had to hide a smile so he wouldn't get more embarrassed about the whole situation. But Tatsu, of course, knew exactly what to say to reassure him. "If you happen to see her, it's just a side-effect of doing business. I know why you're really here," he said, his voice low and raspy.
Masa looked at him with adoring eyes. "I just wanna make you happy, bro."
"Then how about you finish getting your pants off, so you can fuck me," Tatsu told him, and Masa hurried to obey.
Miku sat back on the mattress, watching them. Masa didn't have the elaborate tattoos her husband did, only the start of a koi fish on his back, black outlines without colour stark against his skin. He was young, cute looking, rather sweet and innocent in a way (at least as much as a yakuza could be), and definitely eager to follow instructions. She also couldn't help but notice the way his cock stood hard at her husband's command. "Tacchan, if you want him to fuck you, come over here so I can get you ready," she said.
Masa might obey Tatsu, but Tatsu obeyed her. He came to kneel on the mattress, and Miku got up, retrieving a bottle of lube from the storage cupboard and moving to stand behind him. She gazed down at his back, bright with swirling tattoos, and saw how he bowed his head, displaying his absolute trust in her. "On all fours," she told him, giving him a little nudge, and he dropped into position. Making sure Masa was watching, she poured a trickle of lube over her fingers and spread her husband open. Tatsu was quiet, controlled, the only response when she slid her fingers into him a soft hiss of breath. One of the things she enjoyed most was making that hard exterior melt, and she knew exactly how to do it.
"Tacchan," she cooed, stroking his back with her free hand, pale against the riot of colour. "That's very good, you're doing so well. In a minute I'm going to move out of the way so Masa can fuck you - he's wanted to for such a long time, and he can hardly wait." Behind her, Masa groaned with barely-suppressed need. "That's right," she said, glancing up at the younger man. "Fuck him good and hard - after all, it's his birthday."
"Yes, ma'am," Masa said, biting his lip nervously.
"But as for you," she said, returning her attention to her husband, "I want to fuck you too, so you aren't allowed to come until I say so." Tatsu grunted, so she gave him a little smack on the ass. "Say it."
"Yes, boss."
"That's right," Miku said, and pulled her fingers out of him, sliding over to one side. "Masa, he's ready for you."
Masa took up her position, kneeling carefully behind Tatsu, but hesitated a moment. "You good, bro?" he asked, making sure.
"I'm good," he muttered, "go on."
Miku watched from her vantage point off to the side, where she could get a good view of everything. Masa took his dick in his hand, rubbing it against Tatsu's slick hole to get it ready, before pushing slowly into him. "Oh, fuck, shit, fucking fuck," he gasped, while Tatsu responded with a hushed sigh of satisfaction as he was filled. For a long span they held just like that, getting used to the feeling of one another. Masa's hands were trembling a little, she could see, as he got a tentative grip on Tatsu's hips and started thrusting, gingerly at first. Miku cherished the way her husband's body responded, the slow uncoiling of his muscles as he relaxed into the new sensation, the way he arched his neck back with a silent cry when Masa drove into him deeper. She didn't just want to watch, though - she wanted to join them.
She crawled to the top of the mattress, so she could look Tatsu in the face. He gazed up at her, his eyes wide and a bit glassy, and grinned. Over his shoulder, she could see that Masa had his eyes screwed shut, whether to avoid looking at her too much, or because he was trying to hold out longer, she wasn't sure. Leaning back slightly, knees bent, she spread her legs, and beckoned for Tatsu. He knew exactly what she wanted, and, wrapping his arms around her ass to pull her closer, lowered his head so that he could lick her. He was always so good at this, eager and yet skillful at the same time - he'd eat her out for hours if she asked him to, until she was exhausted from coming so many times. She didn't think there'd be time for that tonight, and she didn't intend to wait her turn either. Lifting her hips up, she used two fingers to unfurl herself further, exposing her clit more fully to his tongue. "Tacchan, ooh, right there!"
Miku reached out, stroking his hair back from his face when it started to fall forward and get in his way, and Tatsu raised his face for a moment to smile at her, his mouth and jaw glistening with her juices. He didn't quite have the full range of motion and freedom to devour her that he usually did, being held in place by Masa's grasp, but he did as well as he could under the circumstances. Besides, with the view she had of Masa fucking him, the low but steady stream of curses coming from his lips, the slap of hips against ass, and the hot breath of her husband as he gasped against her inner thigh when Masa hit a particularly sensitive spot, she knew it wouldn't take very long. "That's it, keep going!" Her head fell back as Tatsu dove back in, lapping vigorously at her throbbing clit until she shuddered and bucked against his face.
By the sound of things, Masa wasn't far behind, his face and chest now rosy with exertion and excitement, his eyes unable to stay closed, impatient whimpering coming from his lips. He thrust harder, increasing his pace, strokes turning erratic and rough. "Fuck, boss, I'm gonna... I need..."
"Finish it," Tatsu rasped, as if the words were torn from his throat. At that, Masa's climax couldn't be held back, and he gave a hoarse cry as he drove in as deep as he could reach to spill his load. Tatsu gritted his teeth, clearly desperately wanting to come, but he managed to restrain himself, following his wife's earlier instructions.
Miku rose on unsteady legs, giving them a minute to catch their breath, and went back to the cupboard to get her strap-on. It had been an early acquisition in their relationship, when Tatsu let her know that he wanted it from her, and she'd been happy to learn. Now it was only the work of a few moments to get it in place, tightening the straps so that it fit her hips snugly. However, tonight there was a new surprise.
"This is the next part of your birthday present," she told Tatsu, returning to the bed. "Roll over on your back so you can see me."
His chest heaving, Tatsu flopped over on his back, and Masa slid off to his side. Miku enjoyed their eyes on her, and ran her fingers playfully down the shaft of the massive cock she was wearing. "That's a new one," Tatsu said.
"I thought you could handle something bigger," she said. "I hope you like it." She knelt between his splayed legs, seeing how his cock seemed to pulse with each heartbeat, how Masa's come was leaking out of his freshly-fucked ass. "You seem like you're already nicely warmed up, so I'm not going to make you wait," she told him, and lifted one of his legs up to help slide the huge dick inside him.
For all his self-control and high tolerance for pain, Tatsu cried out as she worked the flared lip of the head into him, panting for breath until she finally got past that point. "You're doing so well," she told him, reaching down to stroke his stomach. His cock twitched eagerly, no doubt expecting to be touched, but she didn't give him that reward. Instead she traced the fine, dark hair on his stomach, the taut muscles, waiting until she could feel him start to open up to her more.
"You're doing real good, boss," Masa assured him. "I know you can take it."
Miku pressed her way forward carefully, a few centimeters at a time, until finally she was all the way inside him. Tatsu's breath was shallow, quick, his eyes heavy-lidded and dark. "That's the whole thing," she told him. "You did it." As she stroked his stomach again, she could feel a gentle bulge where the huge cock was straining against his inner walls. "You must be so full," she said sweetly, "after Masa pumped all that come inside you."
Masa's face reddened even further, if such a thing was possible, and Tatsu moaned. "Fuck me, please boss, I need it," he begged.
Gently, Miku started to rock her hips - even the most gradual movements made him squirm and gasp, but she didn't stop. Soon she could slide almost all the way out of him, and then back in, with a smooth, steady stroke. "Masa," she said after a few minutes of that, when Tatsu was almost frantic with desperation, "I want you to suck him."
"Oh, uh, okay, boss-lady!" Masa seemed surprised, but not displeased. "I might not be real good at it..."
"It won't take much," she promised.
Masa took Tatsu's cock in his hand, considering his angle of attack. "Okay, here it goes..." He wrapped his lips around Tatsu's head, licking it experimentally. Tatsu's hips practically levitated off the mattress, and he stuffed his knuckles in his mouth to stifle his cries. Miku paused in her thrusts for a moment, until he was once more under some marginal degree of control. Masa seemed amazed that he could have such an effect and, encouraged by the initial response, tried sucking him deeper. Tatsu muffled his moans with his hand again, less effectively this time.
"Tacchan, you've been so patient, so devoted... I'm going to let you come," Miku said. "Let me hear you, darling."
Taking his hand away from his mouth, Tatsu let out a ragged sob. Miku watched carefully and when Masa started to draw back up, she gave one more hard stroke, hard enough to make Tatsu shout with the force of the orgasm that tore through him. Tatsu's body convulsed violently, and Masa jerked back in surprise, but not fast enough to avoid taking a hot burst of come to the face. "Fuck," he gasped, and Tatsu echoed him, still shuddering with a series of tremors, like the aftershocks of an earthquake.
Miku eased out of him carefully and unfastened the strap-on so that she could hold him close. Masa seemed momentarily at a loss as to what to do, until she gestured for him to embrace Tatsu as well, from the other side. Her tough, dangerous, intimidating husband was currently a sobbing, shivering, but extremely happy mess, and she was glad that both of them were there to give him the comfort he deserved.
"Sorry," he said to Masa, once he'd regained some measure of composure. "Didn't mean to hit you in the face like that."
"It's okay, bro, I should have dodged faster."
"Or caught it," Miku said with a smile, just to watch him blush. "You might need some more practice with that. Don't worry, I have a feeling there'll be plenty of chances."