Boo Seungkwan, the meticulous Packaging Director, and Chwe Vernon Hansol (Vernon), the innovative Creative Designer, both work at Do Re Mi Cosmetics. Despite their contrasting roles, they have always worked well together, earning them a reputation as a dynamic duo within the company. However, when a rumor spreads that they're romantically involved, they decide to play along with the idea to avoid further office gossip. At first, their fake relationship is just another project to manage. Seungkwan, with his attention to detail, ensures they put on a convincing show, while Vernon, with his creative flair, makes the act seem effortless and fun. However, as they spend more time together, Seungkwan starts to develop real feelings for Vernon. He admires Vernon's creativity, his ability to turn ideas into beautiful designs, and the genuine kindness that shines through in everything he does. Vernon, on the other hand, remains unaware of Seungkwan's growing affection. To him, their relationship is just a well-executed performance, a way to keep the office buzzing while they focus on their work. He enjoys the camaraderie and the ease with which they've fallen into this new routine but doesn't realize that Seungkwan's feelings have deepened. As Seungkwan's emotions become harder to hide, he finds himself at a crossroads. Should he confess his true feelings to Vernon and risk ruining their professional relationship, or should he continue the charade, knowing that Vernon may never see him as more than a colleague and a fake partner? The boundaries between reality and their act blur, leaving Seungkwan in a whirlwind of uncertainty. Will Vernon ever see beyond the act, or will Seungkwan's feelings remain unrequited?

Wen Junhui has lived in Korea for over a decade, first as a student, now as a quiet, reliable employee at a tech firm. Life is steady, if a little unremarkable. Xu Minghao, his bright, artistic, slightly chaotic co-worker, arrived in Seoul two years ago chasing his creative ambitions. Now, with his visa about to expire and no clear path forward, Minghao finds himself untethered, unsure where to land next. A chance discovery of an apartment advertisement offering heavy discounts for married couples presents an unexpected solution. Jun jokes about how ridiculous it is, until Minghao confesses his visa troubles. In a moment of quiet understanding, they realize their separate problems might be solved by the same plan. They agree to a fake marriage, Minghao gets his residency, Jun gets his dream apartment at a lower price, and they split the costs. It's meant to be a practical, business-like arrangement. No feelings, no complications. But the more time they spend together navigating immigration interviews, decorating their shared home, and answering curious questions from nosy co-workers, the blurrier the lines between pretending and feeling become. Little routines turn into quiet comforts. Shared spaces become safe places. And hearts that were once adrift begin to find steady ground, in each other. In a city full of temporary stays and uncertain futures, sometimes it's the things you never planned for that feel most like home.

Yoon Jeonghan, the effortlessly charming and maddeningly arrogant CEO of Serene Quartz, a luxury lifestyle brand, has never gotten along with Detective Choi Seungcheol. In Jeonghan's eyes, Seungcheol is an uptight, self-righteous officer who carries a personal grudge against him for being rich, successful, and occasionally reckless. Seungcheol, on the other hand, sees Jeonghan as nothing more than a flirtatious drama magnet, a spoiled socialite who thrives on chaos and attention. Their paths, though occasionally crossing at charity galas and city events, have always ended in biting remarks and lingering glares. That changes when Jeonghan begins receiving anonymous, increasingly threatening packages: ominous notes, disturbing photos, and sinister little gifts with dark implications. Dismissing them at first as the work of a petty rival, Jeonghan's bravado falters when the threats turn personal. Seungcheol, deep into a serial harassment case targeting public figures, recognizes the pattern in Jeonghan's situation and begrudgingly steps in. Much to both their dismay, they're forced to work together, investigating leads around the city, interrogating high-society suspects at glittering events, and attending charity galas where appearances matter and danger lurks in plain sight. As the investigation pulls them closer, their sharp-tongued rivalry softens into teasing banter. Old grudges unravel, revealing unspoken admiration and buried attraction. Seungcheol realizes Jeonghan's arrogance masks sharp intelligence and an unexpected tenderness, while Jeonghan discovers Seungcheol's rigid exterior hides loyalty, humor, and a heart bigger than his badge. In the aftermath, both men must face not just the danger stalking Jeonghan, but the truth about their own feelings, and the fact that maybe their so-called rivalry was always just a very elaborate form of flirting.

In their university days, Jeon Wonwoo and Kim Mingyu shared a deep, passionate relationship, filled with dreams of a future together. They were inseparable until the day Wonwoo mysteriously disappeared without a trace, leaving Mingyu heartbroken and confused. Mingyu searched everywhere, but it was as if Wonwoo had vanished off the face of the earth. Years later, Mingyu has become a rising star in the entertainment industry, though the void left by Wonwoo's absence remains a constant ache. Just as he's on the brink of a major breakthrough in his career, he meets his new manager, none other than Wonwoo. To Mingyu's shock, Wonwoo seems completely different. He's professional, distant, and most disturbingly, he appears to have no memory of their past relationship, or even of Mingyu himself. As they work closely together, Mingyu is haunted by memories of their time together, unable to reconcile the man he once loved with the one standing before him now. Determined to uncover the truth, Mingyu starts digging into Wonwoo's past, only to discover that Wonwoo's disappearance was tied to a dark, hidden secret. The closer Mingyu gets to the truth, the more he realizes that Wonwoo might not be the only one in danger. As old feelings resurface and new dangers emerge, Mingyu must navigate a web of deception, betrayal, and forgotten memories. Can he help Wonwoo recover what was lost, or will the shadows of the past consume them both?

Hoshi and Woozi, two of the most promising actors of their generation, have been bitter rivals since their university days. Their rivalry began in the drama club, where they constantly vied for the spotlight, leading to a deep-seated animosity that only grew with time. Now, years later, both have achieved considerable fame in the entertainment industry, but their disdain for each other remains as intense as ever. Fate takes an unexpected turn when they are cast as the leads in a highly anticipated romantic drama. The show, centered around a story of love and redemption, requires them to portray a couple whose chemistry is undeniable, a task that seems impossible given their real-life hatred. As filming begins, tensions run high. Their on-screen characters fall in love, while off-screen, they continue to clash in private. But as they are forced to spend more time together, the lines between fiction and reality start to blur. Old memories resurface, and they begin to see each other in a new light. The emotions they portray on screen start to feel all too real, leading to unexpected moments of vulnerability and confusion. In a world where both pride and feelings are on the line, Hoshi and Woozi must navigate the complexities of their relationship. Will they continue to let their rivalry define them, or will they find that love can sometimes emerge from the most unlikely of places?

Choi Seungcheol, the leader of the famous K-pop group Rose Blush, and Yoon Jeonghan, a member of the national E-sports team Serene Quartz, find themselves living together when a fire renders the Rose Blush dorm uninhabitable. The company arranges for Rose Blush to stay in the spacious Serene Quartz dorm, conveniently located near the company building. While adjusting to their new living arrangements, an unexpected incident occurs; Seungcheol and Jeonghan swap bodies. Now trapped in each other's lives, they must navigate the challenges of leading a K-pop group and being a national-level E-sport player, all while trying to keep their secret from their teammates and fans. As they struggle to adapt and find a way to reverse the swap, both Seungcheol and Jeonghan gain new insights into each other's worlds, leading to unexpected growth and understanding.

Choi Seungcheol, CEO of Savor & Spice, is the most wanted bachelor in Seoul, but his heart is set on Yoon Jeonghan, the company's HR head. Seungcheol is determined to win Jeonghan's heart despite the company's strict no-dating policy set by his father, which he cannot remove. Jeonghan, however, is resolute in his belief that love is not for him due to his parents' failed marriage. The pain and turmoil he experienced as a child have made him determined to avoid love altogether. Will Seungcheol be able to break down the wall Jeonghan has built around his heart?

Choi Seungcheol, a famous model gets into a dating scandal with Kim Mingyu, another model at his company. They are actually good friends, nothing more. Even though the company denied the rumors and both of them stopped hanging out, the rumors didn't go. Jeonghan, even though was the only heir of his family business, would officially become the CEO only when he gets married. His parents told him, if he doesn't get married soon, they will give the company to someone else. He has put all his hard work for the company and can't let it go this easily. He has to do something. Joshua suggested him to go for a contract marriage. Jeonghan liked the idea since he didn't have any other options. On the other hand, Seungcheol and Mingyu's rumor didn't seem to disappear so the company suggested Seungcheol to go for a contract relationship. How will their contract relationship turn out? Will they fall in love or will their relationship end with the contract?