Acts We Shouldn't Do (Completed Main Story) - Chapter 3
The gaunt woman, who looked to be in her mid-to-late seventies, appeared draped head to toe in luxury brands. Without any preamble, she abruptly asked Jae In what her parents did for a living.
“They’re no longer with us.”
“Both of them? Wait, what happened?”
“I don’t know why you’re asking, but do I really have to explain something like that?”
“How dare you—when an elder asks you a question, instead of answering politely, you stare right back like that…?”
With a disdainful look usually reserved for the uneducated, she then demanded to know which university Jae In had attended.
“I dropped out of Korea Women’s University.”
“Why drop out? Korea Women’s is quite reputable.”
“I just didn’t feel like going anymore.”
“Goodness me…”
Nam Gwang Soon, the building owner who’d introduced herself by name, scanned Jae In with clear disapproval.
Jae In could vividly sense her rating in the building owner’s mind plummeting by the second.
“I came all the way here because of all the praise I heard. Seems our director was too naive and made a poor judgment.”
“Our yoga studio director…?”
“No. I’m talking about the director of the Gangnam Oh Seok Dong dental clinic—my son. Did dropping out of university make you this slow on the uptake?”
The very fact she called her own son “director” was already unsettling. Jae In quickly drew a clear line to avoid any misunderstanding.
“I’m telling you this to prevent any misunderstanding—I only ever had classes with your son. I gave out my contact because I was his assigned instructor, and even that number wasn’t my personal one. It’s a work phone number shared openly with all students.”
“Never mind that. Look here, miss—you need to give me a straight answer on this. You won’t be clinging onto my son, will you?”
“No. I have absolutely no intention of doing that.”
“Well, I’m glad you’re reasonable. And frankly, it’s just as well you know your place. I’ll take my leave now, then.”
Jae In saw Gwang Soon off with a smile as she left the yoga studio, muttering things that made no sense at all.
She’d grown accustomed to dealing with dismissiveness and contempt—seven years living under her biological father’s roof alongside her half-sibling, just six months younger, had taught her well.
Compared to the constant needle-sharp glares that mother-daughter pair used to throw her way, this was practically cute.
“What did she say, anyway?”
“Nothing much. Just made some adorable nonsense and left.”
“Seriously, you’re something else. You look like a delicate greenhouse flower, yet you’ve got poison hidden inside. That’s exactly why I like you.”
“Let’s go. It’s Friday, and tomorrow’s Saturday—let’s grab some beer on the way home.”
“Oh, sure! Instructor, you finish up here. I’ll have Director Baji bring this over.”
While Sang Hwa put away the mop bucket, Jae In took a deep breath of the damp winter night air and closed the window.
The city’s December cheerfulness felt utterly distant from her—as if it belonged to someone else entirely.
“My late grandfather mentioned my fiancée and I were supposed to be two years apart. But you, Yuri, are three years younger than me.”
“I started school early since I was born in February—so you could say we’re practically two years apart. Maybe that’s why he said it?”
“By any chance, do you have an older sister just one year older than you?”
“Are you asking this because you genuinely don’t know? I’m Hyun Yang’s only child.”
The man lifted one corner of his mouth and raised his teacup.
Hyun Yang’s only child—surely she wasn’t some noble lady from a medieval Western duke’s family.
Her haughty, overly proud reply struck him as laughable.
Should he find her naïve belief that Hyun Yang Construction amounted to something… endearing?
He lifted his large hand to rub his thick, straight eyebrows, masking the disdain on his face toward the woman across from him.
Once, Hyun Yang Construction had ranked among the top ten in the entire construction industry. But after the sudden death of its second-generation chairman, Jo Seong Hwan, about thirty years ago, its influence had gradually declined.
His successor was Jo Seong Hwan’s eldest son, Jo Dae Hoon.
Dae Hoon, known for his cold rationality, immediately began cutting ties with subsidiaries and subcontractors he deemed useless the moment he took office—and this triggered major labor disputes.
Hyun Yang Construction’s unilateral contract terminations left workers out on the streets, and their protests became a long-standing topic of public conversation.
Dae Hoon’s ruthless, emotionless demeanor during the ordeal failed to resonate with the majority of the public.
In the end, Hyun Yang became firmly associated in the national consciousness as a company that sided against ordinary citizens—a business steeped in elitism. Naturally, its trustworthiness and sales plummeted.
“You really are an only child…?”
“Frankly, I find that a bit offensive. Didn’t they teach you at Wharton how to treat your fiancée with manners?”
“Ha—fiancée.”
At his barely suppressed scoff, the woman’s eyes widened in indignation. Frowning deeply with clear annoyance, she glanced around self-consciously.
“Why are you laughing?”
Trending
“Nothing. Wharton teaches business management—not how to behave toward a fiancée.”
The reason this man was sitting across from Jo Yuri, the only daughter of Jo Dae Hoon, chairman of Hyun Yang Construction, who now ranked far below the top tier of Korean conglomerates, was simple.
He was curious.
He’d never even seen her face, yet this woman had been publicly claiming to be his fiancée for twenty years. He wanted to mock her shameless, repulsive audacity.
Kang Tae Seo, Managing Director of Kang Seon Construction.
Publicly, he was the sole child of Kang Shin Jae, chairman of Kang Seon Group.
His grandfather, Kang Seon Il, had passed away suddenly when Tae Seo was just three. On his deathbed, he left a final instruction for young Tae Seo: that the granddaughter of Hyun Yang Construction’s late chairman, Jo Seong Hwan—who had died a month earlier—was destined to be his bride.
“He kept bragging about how smart and beautiful she’d be—just like her mother. So, Tae Seo, don’t look elsewhere. Grow up well and bring that girl home.”
His grandfather had wanted to honor a promise made to a close friend. To carry out his will, Tae Seo’s grandmother continually reminded him throughout his childhood that he had a fiancée two years younger.
Of course, he never intended to listen. What era did they think this was—to marry someone based solely on an old promise between elders, without ever meeting them?
“People like that aren’t uncommon in this world. For all you know, Yuri, you might have a hidden older half-sister.”
“What on earth—!”
“Could be. And who knows—maybe she’s my real fiancée.”
Tae Seo didn’t miss the flash of panic crossing Yuri’s face as anger flushed her cheeks.
It was ridiculous—pathetic, even. This woman, pretending to be his fiancée when she wasn’t the real one at all.
Acting as if she owned a place that wasn’t hers.
Tae Seo already knew who his real fiancée was.
At first, he’d simply been curious about Hyun Yang Construction—the company his grandfather had linked him to through an engagement—and started looking into it. Later, while studying in the U.S., he developed an interest in corporate mergers and acquisitions.
While evaluating potential companies, he dug deeper into Hyun Yang, which already had substantial data available—and everything began to unravel.
“Wow… And they still run a business like this?”
He never intended to dismantle or absorb Hyun Yang Construction. Since the families had some history, he didn’t want unnecessary entanglement.
He had no plans to become their son-in-law anyway. He’d only meant to watch their downfall from afar—like someone observing a fire across the river.
Then, three years ago, while taking a short break in Bali during grad school, he met a woman by chance. A few days later, he learned she was his real fiancée.
The feeling at that moment—
He kept letting out helpless laughs at the absurd coincidence, yet somehow, the corners of his mouth kept rising on their own.
“She’s here? At the resort I’m staying at right now?”
—Yes. As part of the resort’s program, yoga classes are held weekdays at 10 a.m., 3 p.m., and 5 p.m. I work as a yoga instructor. My name is Jane Yoon—my Korean name is Yoon Jae In. I’ll send you an email right away with the details.
A woman born six months before Jo Yuri, the publicly acknowledged only daughter of Chairman Jo Dae Hoon.
A woman exactly two years younger than himself—Yoon Jae In.
When he compared the month she was born with the month Chairman Jo Seong Hwan had died, the answer became clear. No matter how proud Jo Seong Hwan might have been, he couldn’t possibly have bragged about a granddaughter who hadn’t even been conceived yet.
After all, they said you couldn’t determine a fetus’s sex until it was at least twelve weeks old. That meant Jo Yuri, born eight months after Chairman Jo’s death, couldn’t possibly be his fiancée.
Unless she’d somehow stayed in her mother’s womb for nearly twelve months—which, of course, was absurd.
“Are we talking about whales or something?”
“…Excuse me?”
“Nothing.”
Tae Seo shook his head indifferently toward Yuri, who stared back at him with wide eyes—and once again, the image of another woman filled his mind.
Yoon Jae In.
Among Bali’s sun-drenched crowds with their tanned, healthy complexions, she stood out with her dazzlingly pale skin.
Her jet-black hair contrasted beautifully against her fair skin.
Her dark eyes, as black as her hair, seemed deep enough to pull you in.
She rarely smiled. But the first time he saw her laughing with children, Tae Seo experienced something he’d never felt before—his mind went completely blank.
That was the day before he received confirmation she was his real fiancée.
She was the first woman to ever truly catch his interest. Perhaps that’s why he verified her identity repeatedly and remained oddly exhilarated for quite some time.
Yet, during his entire stay in Bali after receiving that report, he never once spoke to Jae In—not even when a college friend, smitten with her, signed up for yoga classes and loitered around.
“She’s really beautiful, isn’t she?”
“So what if she is? Maybe you need another slap from her to snap out of it.”
“You and your mouth… But seriously, why are you so disinterested in women? Tell only me—do you happen to like men…?”
“If you’re about to say something pointless, shut your mouth.”
Back then, Tae Seo had been desperately focused on earning his grandmother’s approval. So he deliberately forced his gaze away from Jae In, no matter how often it drifted toward her.
Regardless of his personal wishes, rumors in Korea’s business circles had already solidified into “fact”—that Kang Seon Group and Hyun Yang Construction were forming a marriage alliance. Getting involved with her, the chairman’s illegitimate daughter, would only bring trouble.
ads
Besides, Yoon Jae In had clearly cut ties with Hyun Yang Construction and was living happily without her biological father. There was no reason to disrupt her life.
Still, long after that trip, Tae Seo often found himself thinking of Jae In. Sometimes, in his dreams, he’d meet again that smile that once turned his mind pure white.
Yet he never went looking for her.
Living independently of Hyun Yang Construction—that must have been what she wanted.
Therefore, the mere fact that Jo Yuri, and not his real fiancée Yoon Jae In, had shown up here was enough grounds for calling off the engagement.
How dare she deceive him.
“I’m only asking because I myself have several half-siblings. You understand, right? Kang Seon Group will splinter into pieces within a few years—everyone will fight tooth and nail over what’s left.”
He sneered at himself, fiddling with the silver band of his watch.
Scattered throughout Kang Seon Group—one of the top three conglomerates in Korea—were several more of his half-siblings.
“Maybe you don’t realize this, Tae Seo, since you’ve been abroad so long—but Korea isn’t that open-minded yet. Ultimately, only you will ever be fully recognized, won’t you?”
“Recognized by whom? By the way, my father treats all five of his children with equal coldness. He doesn’t even seem eager to pass his position to the child born within marriage.”
“Still… children born outside wedlock can’t stand proudly before society.”
“With enough money, you can stand as proudly as you like. You really have no idea.”
“Enough about that. What about the wedding schedule…?”
Tae Seo, who’d been leaning back in his chair with an easy smile, suddenly leaned close toward Yuri. Startled, Yuri cut herself off mid-sentence and took a breath, taking in the man’s handsome face.
“Hey, fake one.”
At Tae Seo’s low, almost growled words, Yuri’s meticulously doll-like face cracked—fissures spreading across her perfect surface.
Male lead says he’s pregnant — and it’s female lead’s child
Something seems a bit off about this world.
Wang Zhao thought as she watched a pregnant man walking towards her…

Intro
Female lead finds herself in a world where the men who possess the ability to bear children.
As she navigates this unfamiliar reality, she is caught off guard by the sudden appearance of her boyfriend, who reveals that he is pregnant.
Is this truly her boyfriend?
Why can’t she recall any details about their time together?
She begins to doubt whether the child her boyfriend is carrying is even hers.
Is there a hidden reason behind her amnesia, or could it be a side effect of her sudden arrival in this strange new world?
Just when it seems the protagonist’s life couldn’t become any more entangled, her ex-boyfriend makes an unexpected appearance, raising questions about the protagonist’s past.
__________
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