Chapter 51 — Big Sis Gulped a Mouthful of Semen.

Ruby had been focused on his feet for nearly twenty minutes, and a sense of deep satisfaction finally settled over her.

She was so consumed by the treat her brother had provided that she didn’t even notice the small puddle of her own arousal pooling on the wet bathroom floor.

"I hope this helps satisfy your desires for at least a few days, Sis," Kael said, pulling his feet back and inspecting them; they were thoroughly coated in her saliva.

"Yes, Kael, it definitely will," she replied, offering him a playful wink.

"Anyway, now that I have you, I hope you’ll always be available if I ever need to do this again."

Kael watched her, amused by the transformation. It didn’t take her any time at all to switch from crying like a child to being cheerful like one again, he thought to himself. She really does experience such intense mood swings.

"Sure, Sis. Now, let’s work on your other secret," Kael said.

He gestured for her to pay attention to another part of his body.

Ruby feigned confusion, tilting her head. "But Kael, I already finished cleaning your dick."

Kael leaned forward, catching the way her eyes darted away—a clear sign she was lying.

He chuckled, a sharp, knowing sound. "Still playing innocent? Since I’ve remembered your obsession with my feet, do you really think I’d miss that you’ve had similar urges to taste me elsewhere? You aren’t fooling anyone here. It’s just the two of us, so why keep up the act? I don’t know how long we have before Mira wanders near the bathroom, so stop stalling."

Ruby’s pretense crumbled. Her face flushed a deep crimson, and she fell silent. Kael sat on the stool and guided her hands toward his lap.

"Ruby, I want you to put it in your mouth. Then, I want you to sandwich my cock between your breasts and move them up and down against me."

Ruby looked up, eyes wide and uncertain. "I... I don’t know what you mean, Kael. How do I do that?"

"It’s simple," Kael explained, his voice low and instructive. He guided her head forward until her lips brushed against his length.

"Just take me in your mouth, just like you did with my toes. When you’re ready, press your chest against me and move rhythmically."

Ruby took a shaky breath and leaned in, cautiously taking him into her mouth. She discovered the texture and heat of him, finding a new, intense thrill in the act.

As she began to suck, Kael couldn’t help but groan, his hands tangling in her hair. "That’s it, just like that—use your tongue, explore it. You love the taste of me, don’t you?"

Ruby moaned around him, her dedication absolute. After a few minutes, Kael pulled her back slightly and guided her breasts against him, pressing them firmly on either side of his length.

"Now, keep going. Grind your chest against me. I want to feel your skin squeezing me."

Ruby followed his lead, sliding her breasts up and down his shaft with fervor. The friction was electric.

She focused entirely on the sensation of him against her skin, her movements becoming faster as Kael’s grip on her shoulders tightened.

"Little Kael do you want to have sex with me?" Ruby was scared of his monster of a cock but if he asked she will not refuse him she decided firmly.

Kael has done too much for her and this was the time she can return the favor she owed him.

"No, Sis, no sex for now—just do as I say," Kael commanded, his voice thick with arousal. "Open your mouth and keep it steady. I’m going to release, and you will swallow it all. That is the secret I want you to keep for me."

While the truth of the matter was that this wasn’t exactly a secret—and would certainly not be an explosive realization for their mother, sister, or aunt—he wanted to make Ruby feel important.

He wanted her to feel like she held a unique, intimate place in his life. Ruby was prepared to go to any extreme to satisfy him, though she couldn’t help but laugh at her own internal panic. How foolish of me, she thought. At his age, what else would a boy be interested in?

Swallowing his semen felt like a strange request, but it required very little effort on her part. Besides, she wasn’t in any position to judge what was "odd," considering the things she had been doing to him only moments before.

Ruby parted her lips, tilting her head back, eager to obey. Kael stroked himself, the lingering sensation of her breasts and mouth pushing him over the edge.

He thrust forward, directing every drop of his release straight into her waiting mouth.

Once he was finished, he watched her struggle to contain it.

Her cheeks were puffed, her mouth nearly overflowing as she held his essence, looking up at him with wide, devoted eyes.

"Swallow it slowly, Sis," he murmured, watching with intense focus as she gulped down his semen in small, rhythmic portions.

He reached out to pat her head, his expression softening. "That was very good, Sis. Your tongue was amazing, both on my feet and when you were taking care of me. You should go get some rest now."

Ruby rinsed her mouth with fresh water, and they prepared to exit the bathroom. Stepping out into the hallway, they emerged completely naked, only to see Mira outside in the garden, busy picking flowers.

"What took you two so long?" Mira called out.

Kael didn’t hesitate, his tone casual and teasing. "Sister couldn’t help but show me some extra love since we haven’t seen each other in so long," he replied, shooting a quick, suggestive wink at Ruby.

Ruby felt a flush creep up her neck, and she could only offer a shy, embarrassed blush in response, unable to meet Mira’s eyes.

"Here, Sis, I collected these flowers for you," Mira said, presenting a vibrant bouquet to Ruby while pointedly ignoring Kael.

"Thank you, Mira. You’re so sweet," Ruby replied, gently patting Mira’s head. "Actually, Mira, I have a favor to ask. Do you have a moment?"

"Of course, Big Sis. What is it? You know I’ll help with whatever you need," Mira said with a bright smile.

Ruby took a breath, choosing her words carefully.

"I know how much you adore Kael, and I’ve loved watching the two of you grow closer lately. However, I’m finding it increasingly difficult to manage my daily routine, and I could really use your help around the house this week. Since Kael will be attending the ceremony, I thought it was the perfect time to ask for your company."

To say Mira didn’t have misgivings would be a lie. This was the first time she had felt the genuine connection with Kael that she had always craved, and the idea of being separated from him stung.

Yet, she reminded herself that she was maturing; she couldn’t just follow her own whims anymore.

Looking at her sister’s condition, she realized that Ruby truly did need the support. With a small, resigned sigh, she nodded. "Of course, Sis. I’ll stay and help."

"Thank you so much, Mira," Ruby said, clearly relieved. She turned toward her brother.

"And I trust Kael will keep visiting us during the week? So you won’t be separated from him for too long. Am I right, Kael?"

"Of course, Sis," Kael replied smoothly. "I’ll make sure to visit both of my sisters." He leaned in, placing a lingering, affectionate kiss on each of them.

After a short while, Kael gathered his things and left Ruby’s house, walking home alone.

*****

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