A Pillowside Moon (Sisters ABO) - Chapter 1

The clock pointed to five. There was still half an hour left before the end of the workday, yet the longtime employees of Moon Corporation merely watched without surprise as their notoriously workaholic boss left early for once. When a few new employees, unaware of the circumstances, tried gossiping with their senior coworkers, the only explanation they received was, “The boss does this every year on this date.”

Ultimately, it was simply because today was her younger sister’s birthday. No matter how busy Liu Chuhan usually was, she would always make time to spend this day with her sister.

Liu Chuhan went down to the parking garage and drove out. While waiting at a red light, she lowered her eyes to the exquisite watch on her left wrist. She seemed to recall something, and her thin lips curved into a faint smile. The corners of her beautiful eyes lifted, making her good mood apparent at a glance.

Liu Changxi had given her this watch for her birthday last year. It was not particularly expensive, but Liu Chuhan adored it and wore it every day. Seeing how much she treasured it, her friends often teased her for being completely wrapped around her younger sister’s finger.

Whenever Liu Chuhan heard such remarks, she merely cast them an indifferent glance and let them say whatever they liked.

The company was not far from her home. Since Liu Chuhan had left before the evening rush hour, it took her only a little over ten minutes to arrive. She picked up the birthday present from the passenger seat, and another faint smile appeared on her face.

It was a set of paintbrushes her sister had wanted for a long time. She would surely love it.

Liu Chuhan pressed the elevator button, her mind wandering slightly.

Her parents had been involved in a severe car accident shortly after she graduated from university. Both of them had died at the scene. From then on, only she and her younger sister remained, relying on each other.

At the time, Liu Chuhan had been so busy handling everything her parents had left behind that she often neglected even eating and sleeping. Her sister, who had only been in her first year of high school then, had silently begun taking care of her. She learned how to cook and prepare balanced meals, made sure Liu Chuhan ate three times a day, and forced her to sleep. That was the only reason Liu Chuhan had narrowly avoided ruining her health.

Three years had passed in the blink of an eye. The girl who had once sweetly called her “Sister” was now an adult about to celebrate her eighteenth birthday.

The elevator chimed, pulling Liu Chuhan back to her senses. Only then did she step out.

“Changxi?”

Liu Chuhan opened the front door and caught a faint, enticing aroma. She rounded the entryway and glanced toward the kitchen, where the door was tightly closed. Evidently, Liu Changxi was cooking inside.

Hearing the noise, Liu Changxi opened the door and peeked out. The moment she saw Liu Chuhan, she gave her a sweet, obedient smile and blinked.

“Sister, go change your clothes first. I’ll be finished in just a moment.”

Liu Chuhan looked at her helplessly. “Today is your birthday. Didn’t we agree that I would cook?”

Liu Chuhan knew how to cook. Although her food was not as delicious as her sister’s, it was at least edible.

Liu Changxi stuck out her tongue and smiled. “You’ve worked hard all day, Sister. You should save your energy once you’re home. Besides, I’m on vacation and have nothing else to do. Cooking is hardly any trouble.”

She was currently enjoying the summer vacation between her final year of high school and her first year of university, so she truly did have little to do at home.

Unable to argue with her, Liu Chuhan could only place the present on the coffee table in the living room before returning to her bedroom to change.

By the time she emerged in loose, comfortable loungewear, Liu Changxi had just turned off the stove and was preparing to plate the food. Seeing this, Liu Chuhan stepped forward, took the spatula from her, and motioned for her to wait outside.

Yet her usually obedient sister clung to her and refused to leave. Liu Changxi circled behind her, gently wrapped her arms around her, and rested her head on Liu Chuhan’s shoulder as she watched her transfer the food onto a plate.

Her sister had always been exceptionally clingy, so Liu Chuhan was already thoroughly accustomed to this position. She put down the spatula and picked up the plate, then tilted her head and gently bumped Liu Changxi, signaling for her to let go and leave the kitchen.

Liu Changxi buried her face against her and nuzzled her once more before finally releasing her. She then picked up another dish that had been prepared earlier and carried it to the dining table alongside Liu Chuhan.

The dinner was not particularly lavish, but every dish was something the sisters enjoyed. They sat across from each other. Noticing the anticipation in her sister’s eyes, Liu Chuhan smiled and brought over the present.

“What did you get me, Sister?” Liu Changxi accepted the present with bright eyes, but instead of immediately unwrapping it, she questioned Liu Chuhan.

Liu Chuhan’s eyes curved with amusement. “Open it and you’ll find out.”

Liu Changxi blinked. “What fun would there be in opening it right away? How about this? Let me guess what you gave me. If I’m right, you have to grant me one request.”

Liu Chuhan found this amusing. “What do you want me to agree to? Have I ever refused any of your requests?”

“Oh, it won’t be fun if I tell you.” Liu Changxi acted spoiled toward her sister. “Let me try guessing once, all right?”

It was merely a little game between sisters and did no harm, so Liu Chuhan lifted her chin, signaling that she could begin.

Liu Changxi’s doe-like eyes curved. Pretending to ponder deeply for a moment, she slowly said, “My guess is…you gave me that set of paintbrushes I’ve wanted the most. Am I right?”

She had mentioned them while chatting with Liu Chuhan a month ago. She knew Liu Chuhan would have remembered.

There was no difficulty to this game whatsoever. Liu Changxi looked at Liu Chuhan with a smile, while Liu Chuhan merely gave her an indulgent glance and sighed.

“You guessed correctly. Tell me, what do you want me to agree to?”

Liu Changxi smiled mysteriously. Seemingly from nowhere, she produced a bottle of alcohol and set it on the table.

“Have a drink with me, Sister.”

Liu Chuhan glanced at the bottle but was not particularly surprised. Her sister had always been sweet and obedient, so she naturally would not ask her to agree to anything outrageous. Liu Chuhan had forbidden Changxi from drinking in the past because she had been underage. Now that her sister was eighteen, there was no harm in the two of them drinking a little together.

Liu Chuhan silently watched as Liu Changxi poured the alcohol into two glasses, then handed one to her.

Liu Changxi smiled and raised her glass. Liu Chuhan cooperatively clinked glasses with her, and the two drank together.

After their pleasant dinner, Liu Chuhan cleared the table and placed the dishes in the dishwasher. Liu Changxi, meanwhile, allowed her food to settle as she prepared to take a shower later.

They chatted while watching a variety show. At around eight o’clock, Liu Changxi checked the time and asked, “Are you going to shower now, Sister?”

Liu Chuhan thought for a moment, then nodded.

The temperature was high in summer, and it was easy to sweat even with the air-conditioning running. Taking an early shower would certainly be more comfortable.

Liu Chuhan and Liu Changxi stood at the same time. Their home had two bathrooms: one outside the guest room and another inside the master bedroom. Since an Alpha and an Omega should not share a bathroom, each sister had her own designated one.

Perhaps it was because of the alcohol, but Liu Chuhan felt inexplicably hot all over. After showering, the sensation grew even stronger. She licked her lips uncomfortably and decided to go to the kitchen for a glass of water.

The moment she opened her bedroom door, however, she found her sister standing outside. Liu Changxi held a glass of water in one hand, while her other hand was raised in midair as though she had been about to knock.

“Your face is so red, Sister.” Liu Changxi tilted her head and naturally reached out to stroke Liu Chuhan’s cheek, innocently asking, “Was the water too hot when you showered?”

Her sister’s hand was slightly cool and felt comfortable against her skin, so Liu Chuhan did not resist. She raised a hand to cover the back of Liu Changxi’s and said somewhat dizzily, “Maybe the alcohol was stronger than I expected… Did you need something, Changxi?”

“I wanted to talk with you.” Liu Changxi smiled and gently swirled the glass in her hand. “I thought you might be thirsty after your shower, so I brought you some water too.”

Her sister had always been considerate, so Liu Chuhan suspected nothing. She took the glass of water, then stepped back to let her sister enter.

Liu Chuhan’s bedroom was furnished simply, matching the straightforward manner in which she usually conducted herself. Liu Changxi familiarly dimmed the lights, immediately lending the bedroom a touch of warmth and intimacy.

Liu Chuhan closed the door and took several sips of water, but the burning heat inside her body did not subside in the slightest. She frowned and began to wonder whether her rut had arrived.

An Alpha’s ruts occurred at long intervals. Liu Chuhan thought back and realized that hers was indeed due around this time. She turned to retrieve the suppressants stored in her bedside cabinet—only to witness an astonishing scene.

Her adorable, obedient younger sister was locking the cabinet.

“Changxi?” Liu Chuhan stared at her in shock. “Why are you locking my cabinet?”

Liu Changxi smiled radiantly and tucked away the key. She turned, took the glass from her sister’s hand, and set it aside. Then she nestled into Liu Chuhan’s embrace with extraordinary intimacy, resting her chin in the hollow of her sister’s neck. She gently blew into her ear and chuckled.

“Are you feeling very hot, Sister?”

Liu Chuhan’s ears were exceptionally sensitive. As that warm, moist breath brushed over her earlobe, a shudder instantly ran through her entire body, and the mysterious heat inside her surged even more violently.

Something was wrong…

Liu Chuhan bit her lip, suppressing her urges. She braced one hand against the wall while attempting to pull her sister out of her arms with the other.

Struggling to remain calm, she said, “My rut is approaching. I need my suppressants—”

A soft laugh interrupted her. The next second, she heard her sister explain with a beaming smile, “It isn’t your rut.”

“I drugged you, Sister.”

“I put it in the alcohol. I drank it too.”

Liu Changxi candidly confessed exactly what she had done. She lifted herself slightly from Liu Chuhan’s embrace and met her sister’s disbelieving gaze, wearing the perfectly sweet and obedient smile she usually displayed.

“Judging from the situation, however, perhaps the drug caused your rut to begin early.”

“So…” She smiled softly and pulled open her loose robe, exposing her pale, slender neck. With an utterly innocent expression, she asked, “Can you smell me, Sister?”

The familiar fragrance of roses gently spread through the air. The moment Liu Chuhan caught the scent of her sister’s pheromones, the restlessness in her body intensified. Her rising temperature felt as though it would burn away her reason.

“You always use suppressants whenever your rut comes. Have you ever considered how I feel?” the lovely young woman complained, tilting her head as her fingertips teasingly brushed over Liu Chuhan’s entrance. “Your pheromones smell so good. Every time I catch their scent, I get completely soaked. Once you take your suppressants, you’re fine—but when I’m suffering, no one takes care of me.”

She buried herself in Liu Chuhan’s arms again, breathing in the cool, gentle woody fragrance emanating from her sister. With a soft gasp, she murmured, “Don’t use your suppressants, Sister. Please?”

As she spoke, she took Liu Chuhan’s hand and guided it toward the place between her thighs. What little reason Liu Chuhan had left made her try to pull her hand away, only to discover that she could not summon even the slightest strength. She was completely incapable of resisting Liu Changxi’s actions.

Liu Changxi guided her hand farther downward and panted into her ear, “Let me be your Omega, Sister. Please?”

Then, with a delicate, whimpering moan, she said, “I’m so wet.”

Her fingertips finally reached their destination. Liu Chuhan’s mind went blank. At the slightest touch, the most intimate part of the young woman’s body drenched her fingers.

Her younger sister was utterly soaked.