Fair warning, this is one of those chapters. If you've read any of my other stories, you probably know what I mean. The kind of chapter that I wrote because the idea got me horny and I really wanted to write it, which is never a good sign for the clean minded. Futa-on-male. This concludes your warning.
Matarō woke up before the others all did, like he always tried to do on the weekends. Ryuko was out, something about needing to talk to that weird teacher guy who was always staring at her, so it was just the family home this morning. Matarō grinned, that was just like he needed it. He'd been afraid he wouldn't be able to partake in his weekend morning ritual with Ryuko around, and, as much as he liked gawking at her, was glad she was gone this morning.
Matarō moved over to where his sister slept, getting down by Mako's feet and pushing the blanket up. He grinned when he saw Mako's sock covered feet, and began carefully removing the socks. Matarō had been too eager in the past, and had accidentally woken Mako while removing her socks. Now, though, he'd learned he needed to be careful, and delicately pulled his sister's socks off, storing them in his pocket for later use.
Matarō grinned at the sight of Mako's bare feet, and tilted his head down to sniff them. Matarō felt his small member, already hard from the anticipation, twitch as he inhaled the scent that he'd become somewhat addicted to. He placed his tongue on Mako's heel, and gently began sliding his tongue along Mako's foot. He couldn't get too wild worshiping her feet like he wanted to, as it tended to make her stir which could lead to her waking early; which was against the plan.
After almost a minute of worshiping his sister's, Matarō unzipped his pants and took out his member, pushing it against Mako's foot. Matarō moaned, loving the feeling of his sister's soft foot against his rod. Matarō began thrusting his member against Mako's foot, trying to keep his moans quiet as he went.
Matarō could feel himself getting close, and sped up his movements; thrusting harder against Mako's heel. Matarō clenched his teeth to avoid getting too loud when he came, then gasped out in surprise and pleasure when Mako's other foot moved, squeezing Matarō's cock between her feet. Mako's feet began stroking Matarō, making Matarō cum in seconds; coating his sister's feet.
Matarō sighed in relief, wondering what had caused Mako to react. Was she having a dream about using her feet? Was her body more aware of what was happening than she was? No, Matarō realized, that wasn't it. Looking up at Mako's face, he felt his blood turn to ice as he saw that his sister was awake and grinning evilly at him.
"S-sis?"Mako giggled, "What? I always know when you're playing around with my feet Matarō."
Matarō whimpered in fear of what his sister would do to him, "Oh don't worry, I'll forgive you. On one condition." Mako said. "W-what condition?" Matarō questioned, "You've gotta return the favor of course!" Mako said, "Make me cum."
"W-what? How?" Matarō questioned. "How do you think?" Mako pulled the blanket off, showing off her fully erect member. Matarō shivered in fear at the sight of it, looking down. "Don't worry," Mako said, "all you've gotta do is get me off. You don't even need to touch my cock or anything, just suck on my balls."
Matarō would never understand how his sister could be so blunt with things like this and then not get why she weirded people out. "And if I say no?" Matarō questioned. Mako giggled, "Then I'll just go tell Ryuko you were perving on me and see what she'll do with her scissor blade."
Matarō's eyes widened. As much as he wanted to keep his dignity and stay far, far away from his sister's futa-parts, he was more afraid of Ryuko's wrath. "F-fine, you win." Matarō said, making Mako grin. "Great! Now start sucking." Mako ordered.
Swallowing his pride, Matarō leaned down, opening his mouth and taking Mako's balls into his mouth. Mako moaned, "Your mouth is nice and warm~"
Matarō, just wanting to get this over with, began sucking on Mako's balls, making her moan louder. "That's it, just like that~" Mako moaned, stroking herself as Matarō sucked.
It didn't take nearly as long as Matarō expected. From how long she went at it with their mom, he'd expected it to take at least an hour to make Mako cum; but instead Mako reached her climax, coating Matarō's hair in cum, after only half an hour.
"There, happy?" Matarō questioned, wanting to get himself cleaned up before anyone saw him. "Yep! But," Mako grinned, "If you want, I can get you a reward if you go for another~"
"What? No way!" Matarō said immediately. "Are you sure?" Mako asked, "I'll let you play with my feet whenever you want~ and I'll let you take as many of my socks as you want. I'll even get some from mom for you." Mako offered.
This made Matarō pause, maybe this was worth it. "Really?" He asked, Mako nodding with a grin. "Okay...just one more." He said, moving his head back down. Mako grabbed Matarō's head, "Not there." She said, moving his head to the tip of her cock.
Matarō blushed, but picturing the reward he'd get drove him to keep going. Matarō licked around Mako's tip, then took it in his mouth and began sucking. It was an odd feeling, but strangely enough it didn't feel bad. Embarrassing sure, but not bad. This changed slightly when Mako began pushing Matarō's head down to make him take more.
Matarō gagged as Mako's rod hit the back of his throat before he was even half-way to the base. Matarō pulled his head back, gasping for breath, "You nearly suffocated me!" He said, panting. "Sorry," Mako apologized, "But you've gotta get it nice and lubed up so it doesn't hurt as much when I fuck you."
"When you what?" Matarō questioned. "When I fuck you." Mako repeated, "You don't want me to try and fit this thing in your ass dry do you?"
"There is no way in hell you're doing that at all!" Matarō started. "Not even if I throw in a pair of Ryuko's used socks and a few dirty pictures of me and her?" Mako offered with a grin. Matarō paused, the thought extremely enticing. "What happens here, stays here, agreed?" Matarō said as he pulled off his shorts. He didn't want his friends getting word of this, but he'd be like a king if he had access to pictures of Ryuko getting fucked.
"Agreed." Mako said, turning her head to the door, "Mom, could you bring me some lube so I can fuck Matarō?" She called, Matarō turning red. In response they got a giggle from their mom, "Sure thing hon, be careful in there." She said, tossing in a bottom of lubricant.
Mako caught the bottle and eagerly began coating her erect rod in it, shivering at the cool feeling. Once she had a good coating of lubricant on her rod, Mako grabbed Matarō and positioned him over her cock.
Matarō tensed up, bracing himself for the pain. "Relax, it'll just hurt more if you don't. Just try to enjoy yourself~" Mako said as she began lowering Matarō onto her member. Matarō took a deep breath, trying to stay calm and loosen up as Mako's tip pushed into him. Even with the lube, Mako was only able to get the first few inches in without force.
"W-wow, you're really tight~" Mako groaned in pleasure, loving how her brother's walls were gripping her cock. Matarō grit his teeth, not because it hurt, which it did. He was trying to actually focus on the pain, because he really, really didn't want to acknowledge that he was feeling any pleasure at all from this. Unfortunately, his slowly growing erection gave him away pretty quick.
When Mako saw it, she grinned wide, "You like it? Great!" Mako gripped Matarō's hips more, yanking them down hard. Matarō yelped in a mix of pain and pleasure as Mako forced her cock half-way into him all at once. His own member twitched slightly, signalling how close he was to his own climax.
Matarō bit his tongue, trying to stall his climax, refusing to let himself enjoy being fucked like this. But Mako refused to let him deny it, and thrust harder into him, hitting his prostate before she was even down to the hilt. Matarō whimpered, cumming almost instantly. Realizing she'd found the magic button, Mako began hitting the same spot, ramming into Matarō's prostate repeatedly as she forced her cock into his ass to the base.
As much as Matarō tried to hold it back, he still came twice more before Mako came; then came again from the feeling of Mako's cum filling his ass and coating his prostate.
Matarō panted as Mako pulled him off of her, looking at Mako's still hard rod. "Don't worry, a deal's a deal. I'll just get mom or Ryuko to take care of this one." Mako said.
Matarō nodded, but didn't look away. Blushing hard, he looked down and muttered something. "What was that?" Mako asked curiously. Taking a deep breath, Matarō repeated, "O-one more round?"
Mako grinned, pouncing and pinning Matarō to the floor as she lined her cock up again. She'd get him his reward tomorrow, today, he was her cock-sleeve.