Becoming Master - Cover

Becoming Master

Copyright© 2026 by Megumi Kashuahara

Chapter 5: The Mountain

BDSM Sex Story: Chapter 5: The Mountain - When Kiko confesses she's been in love with her stepsister Rin for six years, everything changes. The kiss that follows sends Rin spiraling—not with horror, but with recognition. As Rin reexamines every moment of their shared history, she begins to understand that what she'd called sisterly love might be something else entirely. Now they must navigate their feelings while living under one roof, knowing their parents may have suspected all along. A tender exploration of first love, identity, a

Caution: This BDSM Sex Story contains strong sexual content, including Ma/Fa   Ma/ft   Fa/ft   Romantic   Slavery   Lesbian   BiSexual   School   Incest   Mother   Son   Brother   Sister   Daughter   BDSM   DomSub   MaleDom   FemaleDom   Polygamy/Polyamory   Interracial   Black Female   White Female   Oriental Male   Oriental Female   Anal Sex   Analingus   Cream Pie   Facial   Lactation   Masturbation   Oral Sex   Petting   Pregnancy   Sex Toys   Squirting   Water Sports   Big Breasts   Small Breasts   AI Generated  

The alarm sang at five-thirty, and Kenzo was already in the kitchen, starting coffee. He’d slept lightly, his internal clock too attuned to responsibility to allow deep rest the night before something important.

Midori appeared at five-forty-five, earlier than he’d expected. She’d dressed herself in the hiking clothes they’d laid out together: moisture-wicking shirt, comfortable pants, the new walking shoes.

“Good morning, Mom.”

She smiled, still foggy with sleep but present. “Morning, Ken-chan.”

He handed her a mug of coffee. “Just sit. I’ve got breakfast.”

Oatmeal was the plan—easy, filling, no decisions required. He’d already measured out portions, set out brown sugar and raisins, poured orange juice into four glasses. By six, all three sisters had emerged, drawn by the smell of coffee and cinnamon.

Mioki looked terrified.

“What if I can’t make it?” she whispered, standing in the kitchen doorway.

Kenzo crossed to her, placed both hands on her shoulders. “Then we turn around. Mio-chan, this isn’t a test. It’s just a walk in the woods together. We go as far as feels good, and then we come back.”

“But what if—”

“No what-ifs today. Today we just do the next thing. Right now, the next thing is eating breakfast. Come sit.”

She allowed him to guide her to the table.

Hikari was quiet, eating methodically. Kioko kept glancing at the clock. Midori stirred her oatmeal without eating.

“Mom, three bites minimum,” Kenzo said gently. “You’ll need the energy.”

She obeyed, and he counted silently. Three bites became five, then seven. Good enough.

By six-forty-five, they were loading into the SUV. Kenzo had checked the packs twice: water, snacks, first aid, sunscreen, his own bag with extra supplies and emergency contacts. The trail he’d chosen was moderate, well-maintained, with multiple bailout points if anyone struggled.

Lake Ridge Trail. Four miles round trip, gentle elevation gain, scenic overlooks. Perfect for a family’s first real hike together.

The drive took thirty minutes. Kenzo kept up light conversation—pointing out landmarks, talking about the wildflowers they might see, the possibility of spotting deer. Anything to keep anxiety from building.

The trailhead parking lot was nearly empty at seven-twenty. Two other cars, both belonging to serious-looking hikers already disappeared up the trail. Good. Fewer people meant less pressure.

“Okay,” Kenzo said, cutting the engine. “Everyone use the restroom, check your boots, grab your pack. We meet back here in five minutes.”

Specific tasks. Specific time frame. They scattered and regrouped exactly on schedule.

Kenzo gathered them at the trailhead sign. “Here’s how this works. I lead. Mioki, you’re right behind me. Hikari, you’re third. Kioko, fourth. Mom, you bring up the rear, and I’ll check on you every few minutes.”

“Why that order?” Kioko asked.

“Because Mio needs to see me to feel secure. Hikari needs someone in front of her and someone behind her. You’re confident enough to have some space. And Mom does better when she can see all her children.”

He’d thought this through. He always thought everything through.

“We hike for twenty minutes, then we stop for water. Every time. No pushing through, no ‘just a little further.’ We rest, we hydrate, we check in. Everybody good?”

Four nods, varying degrees of certainty.

“One more thing,” Kenzo said. “This is supposed to be fun. If it stops being fun, we reassess. No shame, no judgment. Deal?”

“Deal,” Hikari said, and the others echoed her.

They started up the trail.

The first twenty minutes went better than Kenzo had dared hope. The morning air was cool and clean, scented with pine. Sunlight filtered through the canopy in golden shafts. Birds called to each other in languages only they understood.

Mioki stayed close behind him, her breathing steady. He could hear Hikari’s footsteps, the occasional rustle as Kioko adjusted her pack. His mother’s presence at the rear was a quiet reassurance.

At the twenty-minute mark, he stopped at a wide spot in the trail beside a fallen log.

“Water break. Everybody sit.”

They collapsed onto the log with varying degrees of relief. Kenzo distributed the water bottles he’d frozen overnight—perfectly chilled now, condensation beading on the plastic.

“How’s everyone feeling?”

“Good,” Hikari said, sounding surprised. “Actually good.”

“My legs are okay,” Mioki offered. “I thought ... I thought they’d hurt more.”

“We’re pacing ourselves,” Kenzo explained. “That’s the secret. Slow and steady.”

Kioko had her eyes closed, face tilted toward the sun. “It’s beautiful up here.”

Midori didn’t speak, but she was smiling—a real smile, not the anxious half-expression she wore at home.

They rested for five minutes, then continued.

The second segment was steeper. Kenzo felt it in his calves, heard the change in his sisters’ breathing. He slowed his pace slightly, letting them match him rather than forcing them to keep up.

At forty minutes, they stopped again. This time at a clearing with a view of the valley below—farmland spreading out in green and gold patches, a river catching the light like scattered diamonds.

“Oh,” Midori breathed.

They stood together at the overlook, and Kenzo watched his family see themselves as part of something larger. The mountain didn’t care about their anxieties, their indecisions. It simply existed, magnificent and indifferent, and somehow that was comforting.

“Can we take a picture?” Kioko asked.

Kenzo pulled out his phone. “Absolutely.”

He set the timer and positioned them at the overlook—Midori in the center, sisters flanking her, himself at the edge. They smiled, genuinely, as the camera clicked.

“One more,” he said, and this time he made silly faces. Mioki laughed, actually laughed, and that sound was worth every early morning, every careful plan, every moment of exhaustion.

The third segment tested them. The trail narrowed, became rockier. Mioki stumbled once, caught herself, and froze.

“I can’t—”

“Yes, you can,” Kenzo said immediately. He stepped back to her, took her hand. “Look at me, not the trail. I’ve got you. Just follow my feet.”

She gripped his hand hard enough to hurt, but she moved. One step, then another, then another. When the trail widened again, she was trembling but triumphant.

“I did it.”

“You did it,” he confirmed. “Proud of you, Mio-chan.”

Hikari had gone quiet, her face pale. Kenzo recognized the signs—overwhelm building, decision fatigue setting in even though she hadn’t made any decisions, just the accumulated stress of new experiences.

“Next water stop is in ten minutes,” he announced. “Then we’re at the lake. Halfway point.”

Specific goal. Specific timeframe. Hikari’s shoulders relaxed slightly.

They reached Lake Ridge at ten-fifteen, exactly on schedule. The lake was small but pristine, surrounded by wildflowers and reflecting the sky like polished glass. A few water birds paddled near the far shore.

Kenzo had packed sandwiches and apple slices in a small cooler. He spread a blanket on the ground near the shore and gestured for everyone to sit.

“Lunch break. We’ll rest here for thirty minutes.”

The food was simple—turkey and cheese on wheat bread, nothing that required choices—but after two hours of hiking, it tasted perfect. They ate in comfortable silence, watching the water birds, listening to the breeze move through the trees.

Midori lay back on the blanket, hands folded on her stomach, and closed her eyes. The tension that usually lived in her face had smoothed away. She looked younger, peaceful.

Kioko waded into the shallow water at the lake’s edge, her new boots abandoned on the shore. “It’s freezing!” she called back, delighted.

Hikari joined her, then Mioki, and soon all three sisters were splashing each other, laughing like the children they’d never quite gotten to be.

Kenzo sat beside his mother, watching them.

“Thank you,” Midori said softly.

“For what?”

“For giving them this. For giving me this.” She opened her eyes, looked at him. “I know what you sacrifice for us, Ken-chan. Every day.”

“It’s not a sacrifice, Mom.”

“It is. And it’s beautiful. And I’m grateful.”

She took his hand, squeezed it, and they sat together watching her daughters play in the cold water of a mountain lake.

The return journey was harder. Fatigue had set in, and with it, the erosion of the morning’s fragile confidence. Mioki’s questions returned: “How much further? Are we almost there? What if I can’t make it?”

Kenzo answered each one patiently, sometimes with the same answer three times in five minutes.

Hikari had gone completely silent, all her energy focused on putting one foot in front of the other.

Kioko developed a blister. They stopped to address it—Kenzo had packed blister pads specifically for this possibility—and she cried a little, from pain and frustration and exhaustion.

“We can call someone to pick us up,” Kenzo offered. “There’s a service road about a quarter mile from here.”

“No,” Kioko said, wiping her eyes. “No, I want to finish.”

“You sure?”

“I’m sure.”

The blister pad helped. They continued, slower now, stopping every fifteen minutes instead of every twenty.

Midori was flagging. Kenzo could see it in the way she moved, the set of her jaw. But she was determined, pulling from some reserve of strength he hadn’t known she possessed.

“Mom, talk to me. How are you doing?”

“I’m okay,” she said. “Tired, but okay.”

“Half a mile left. Mostly downhill.”

“I can do half a mile.”

And she did.

They all did.

At two-thirty, they stumbled into the trailhead parking lot, sweaty and dusty and exhausted and elated. Kenzo’s SUV sat exactly where they’d left it, a promise of air conditioning and soft seats and the drive home.

But before anyone moved toward it, Mioki threw her arms around Kenzo.

“We did it,” she said into his shoulder. “We actually did it.”

Then Hikari was hugging him, and Kioko, and finally Midori, and they stood there in a tangled embrace in the middle of the parking lot, this family that had climbed a mountain together.

“I’m proud of all of you,” Kenzo said, his voice rough. “So damn proud.”

They loaded into the SUV slowly, bodies protesting every movement. Kenzo pulled out of the parking lot at two-forty-five, pointing them toward home.

Everyone fell asleep within ten minutes except him. He drove carefully, glancing in the rearview mirror at his mother and sisters, their faces relaxed in sleep, their new hiking boots still dusty with mountain trail.

He’d gotten them up the mountain and back down safely. He’d managed every decision, every crisis, every moment of doubt. His shoulders ached from the weight of his pack and the weight of responsibility, and he was bone-tired in a way that sleep wouldn’t fully fix.

But they’d done it. Together.

And maybe, just maybe, they were starting to believe they could do hard things.

That was enough for today. Tomorrow would bring its own challenges, its own small victories. Tonight, they’d rest.

Kenzo drove them home through the lengthening afternoon shadows, his family sleeping peacefully around him, and allowed himself to feel something he rarely permitted: pride in what they’d accomplished, and hope for what they might accomplish next.

The mountain had been waiting. They had climbed it.

And the world was still full of mountains yet to climb. Namely, being the best little whores for their Master.

~ ~

They got back home around 8pm. They unloaded the cars, and got their school things ready for the next day, then Kenzo called them all to the kitchen for a sit-down meeting. He gave each female a 20-ounce bottle of water and told them to drink it immediately. When all were seated and finished their water, Kenzo began.

 
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