Su Ting's footsteps slowed as he approached the courtyard. He decided to stop him before it's too late.

"Brother, what are you doing here?" He asked, turning around with a slightly annoyed look.

Su Ting stopped in his tracks, a sheepish grin spreading across his face.

"I just wanted to... to see how she was doing. After all, she's your friend," he stumbled over his words, trying to justify his actions.

Su Kang raised an eyebrow, amusement dancing in his eyes.

"Ah, so you're worried about my 'friend'? How considerate."

Su Ting held his ground. "Yes, she's a guest of the Su family. It's only right that I check on her."

Su Kang's expression softened at his brother's persistence. "Alright, I'll introduce you two tomorrow at dinner. But remember, she's not just any guest."

Su Ting's eyes lit up with excitement. "Really? Thank you, brother!" He was about to run back to spread the news, but Su Kang's stern voice stopped him.

"Remember, she is a special friend. You must behave appropriately. Don't spread rumors, okay?"

Su Ting nodded, understanding the underlying message. He turned around and walked away, his heart racing with excitement. He couldn't wait to meet the mysterious Miss Bai tomorrow.

Su Kang watched his brother retreat, feeling a mix of amusement and relief. He knew that introducing Bai Yunxi to the family was inevitable.

Sunlight dappled the courtyard of Bai Yunxi, painting the lush herb garden in shifting patterns of light and shade. He went towards her study room.

"Yunxi," he called out softly, not wanting to startle her. She looked up from her scroll, her eyes lighting up at the sight of him.

"Husband," she greeted warmly, setting aside her scroll and rising to her feet. "What brings you here today?"

He took her hand and led her into their bedroom.

"Yunxi," he began, his voice gentle yet firm. "We need to talk about us, about letting my family know."

"Tomorrow, I will introduce you to my brother, Su Ting. And... I want you to tell him that we are a couple."

Bai Yunxi turned, a blush rising on her cheeks, her eyes reflecting a mixture of shyness and apprehension.

"Husband," she whispered, her palms nervously tightening around his hands.

"Are you sure? It's… it's so soon." She looked away, her gaze falling on the vibrant blooms of a nearby peony.

He reached out, his hand gently cupping her chin, tilting her face back towards his.

"I know," he assured her, "but let's not complicate things for now. Tell him we are together, but as courting partners for now."

Her cheeks flushed pink, and she nodded. "Alright."

....

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The following evening, the three of them sat down for dinner. Su Ting couldn't help but stare at Bai Yunxi, his curiosity piqued by his brother's words.

He had spotted his brother entering her courtyard far too often lately, their interactions far too intimate for mere acquaintances.

She looked radiant in a simple yet elegant dress, her eyes shimmering with an inner light that seemed to captivate everyone present.

"Brother, this is Miss Bai Yunxi," Su Kang announced, his voice steady.

"Yunxi, this is my younger brother, Su Ting."

"It's an honor to meet you," Bai Yunxi said demurely, bowing her head slightly.

Su Ting bowed back and spoke fast. "The honor is all mine, Miss Bai," he replied, trying to sound more confident than he felt.

Su Kang shot him a knowing glance, and he immediately sat down next to her. Throughout dinner, they talked about various topics, but the undercurrent of unspoken words remained.

"I've noticed you and my brother seem… close," Su Ting probed, his tone carefully casual, his eyes sparkling with mischief.

"Is there something you'd like to share with this lowly younger brother?"

He leaned in conspiratorially, a playful grin spreading across his face, ready to tease his brother relentlessly once he had confirmation.

Bai Yunxi's lips curved into a knowing smile.

"Your brother is a good man," she replied, her voice laced with a subtle warmth that spoke volumes.

Su Ting wasted no time in pouncing on the opportunity. "Miss Bai," he began, his tone earnest.

"I know my brother can be a bit... secretive. But I assure you, he holds you in the highest regard."

"Indeed," she replied, her eyes meeting his. "He is a very special person to me."

Su Ting's grin widened, his eyes gleaming with delight. "Aha!"

"I knew it! My brother, finally ensnared by a beauty!"

He nodded, his smile growing wider. "I see," he said, his voice filled with mischief.

"I'll make sure to treat you with the respect a future sister-in-law deserves."

"Don't worry, your secret is safe with me." He left with a triumphant laugh escaping his lips.

Her eyes widened, and she couldn't help but laugh. "Su Ting, you're too much," she said, shaking her head.

In the next few days, Su Ting would visit Bai Yunxi after his training. He will tell her some lies about Su Kang every day.

This was his revenge for getting beaten every day by his brother. He will fabricate their childhood stories, portraying Su Kang as a bully in his stories.

Su Kang had to admit, his brother had quite the imagination. But soon, he felt annoyed when his fabricated love affairs and scandals were circulating.

However, soon Bai Yunxi's attitude changed slightly. When he asked one night, he heard this.

"It's not like there was no possibility in this," Bai Yunxi's response was soft, laced with a playful sarcasm.

"After all, you are a kind and handsome man and a very successful cultivator at such a young age."

Her words were like a gentle tease

"Xi'er," he said, his voice low and earnest.

"There was no one before you, Yunxi. I've never been with anyone else, not in the way we have been together."

A warmth spread through Bai Yunxi, chasing away the lingering chill of her anxieties.

A gentle smile played on her lips. "I… I'm happy to hear that I am your first woman."

She paused, then added, a playful lilt returning to her voice, "Although, if there were others… I wouldn't necessarily mind."

Su Kang blinked, taken aback. "You… wouldn't mind?"

Bai Yunxi's smile widened. "A man of your stature… it's only natural."

Su Kang stared at her, a mixture of surprise and amusement swirling within him. He'd expected jealousy, perhaps a playful reprimand.

He truly loves this mature woman in front of him. She is not afraid that she might loose her attention by doing this.

"Yunxi," he began, a slow smile spreading across his face, "you truly are… one of a kind."

"There's something I want to share with you."

He used his spiritual consciousness to share a cultivation technique as she opened her consciousness to receive the technique.

"It's a dual cultivation technique," he explained. Since he can't change Qi cultivation technique easily, he asked Fate for other skills.

"Dual cultivation technique is a must for a newlywed couple like us. Its specialty is not just enhancing cultivation speed but also strengthening the spiritual and emotional bond between practitioners." He explained it like it was a matter of great importance.

Su Kang watched Bai Yunxi's eyes widen, a soft gasp escaping her lips as the intricacies of the Heartfire Symphony of Twin Souls unfolded within her consciousness.

This technique emphasizes the harmonious fusion of spiritual energies and the gradual intertwining of souls. She will benefit from this because of his higher cultivation realm.

It is particularly suited for cultivators with a strong emotional connection, amplifying their individual strengths and fostering a deep, symbiotic bond.

"Xi'er," Su Kang murmured, his voice a playful caress. He leaned in, his breath warm against her ear.

"Shall we explore its depths, my wife?"

Bai Yunxi's breath hitched, "Husband," she whispered back, her cheeks flushed with a delicate pink.

And so they embarked on their journey into the realm of dual cultivation. Clothes were shed, their bodies entwined as they entered the first stage, the Whispers of the Heart.

Breathing synchronized, heartbeats echoed, a shared rhythm of Qi flowing between them like a gentle current. A comforting warmth spread through their limbs, melting away the last vestiges of tension.

The night unfolded like a dream, a tapestry woven with shared breaths and moanings of love.

They delved deeper into the Heartfire Symphony, their spiritual energies merging in a dance of intertwined flames, their souls echoing each other in a symphony of shared sensations.

Bai Yunxi arched against him, a soft moan escaping her lips as their energies spiraled upwards, a vortex of pleasure and power.

Their movements became a dance, a conversation of joint bodies, fueled by the technique and their deepening love.

....

Bai Yunxi woke up in Su Kang's embrace, feeling residual energy. Dawn brought soft colors outside, but their cultivation energy glowed.

Her cultivation increased due to the Heartfire Symphony. She kissed his chest, enjoying the warmth of their night.

Su Kang gently caressed her bare back, pulling her closer and kissing her behind the ear.

"Good morning, wife.".

"How are you feeling?" His hand roaming her back.

She breathed, her voice filled with wonder. "I feel… reborn."

"Then,Let's move to hot springs now." Su Kang got up and took her in his arms as they went towards the bathroom.

Soon their bodies were intertwined like vines. The water sluiced over their skin, a sensual caress that mirrored the lingering heat of their lovemaking.